Detection rules › Sigma

Lolbin Runexehelper Use As Proxy

Severity
medium
Author
frack113
Source
upstream

Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

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

Stages and Predicates

Stage 1: selection

ParentImage|endswith: '\runexehelper.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
ParentImageends_with
  • \runexehelper.exe