HackTool - WinRM Access Via Evil-WinRM

Adversaries may use Valid Accounts to log into a computer using the Remote Desktop Protocol (RDP). The adversary may then perform actions as the logged-on user.

Sigma rule (View on GitHub)

 1title: HackTool - WinRM Access Via Evil-WinRM
 2id: a197e378-d31b-41c0-9635-cfdf1c1bb423
 3status: test
 4description: Adversaries may use Valid Accounts to log into a computer using the Remote Desktop Protocol (RDP). The adversary may then perform actions as the logged-on user.
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1021.006/T1021.006.md#atomic-test-3---winrm-access-with-evil-winrm
 7    - https://github.com/Hackplayers/evil-winrm
 8author: frack113
 9date: 2022/01/07
10modified: 2023/02/13
11tags:
12    - attack.lateral_movement
13    - attack.t1021.006
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection_mstsc:
19        Image|endswith: '\ruby.exe'
20        CommandLine|contains|all:
21            - '-i '
22            - '-u '
23            - '-p '
24    condition: 1 of selection_*
25falsepositives:
26    - Unknown
27level: medium

References

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