Detection rules › Sigma

Suspicious Runscripthelper.exe

Severity
medium
Author
Victor Sergeev, oscd.community
Source
upstream

Detects execution of powershell scripts via Runscripthelper.exe

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1059 Command and Scripting Interpreter
Defense EvasionT1202 Indirect Command Execution

Event coverage

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

Stages and Predicates

Stage 1: selection

CommandLine|contains: surfacecheck
Image|endswith: '\Runscripthelper.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
  • surfacecheck
Imageends_with
  • \Runscripthelper.exe