Detection rules › Sigma

HackTool - WinRM Access Via Evil-WinRM

Severity
medium
Author
frack113
Source
upstream

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.

MITRE ATT&CK coverage

TacticTechniques
Lateral MovementT1021.006 Remote Services: Windows Remote Management

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: '-i '
CommandLine|contains: '-p '
CommandLine|contains: '-u '
Image|endswith: '\ruby.exe'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
CommandLinematch
  • -i
  • -p corpus 2 (sigma 2)
  • -u corpus 3 (sigma 3)
Imageends_with
  • \ruby.exe corpus 2 (sigma 2)