Detection rules › Sigma

OpenWith.exe Executes Specified Binary

Severity
high
Author
Beyu Denis, oscd.community (rule), @harr0ey (idea)
Source
upstream

The OpenWith.exe executes other binary

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

CommandLine|contains: '/c'
Image|endswith: '\OpenWith.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
  • /c corpus 7 (sigma 7)
Imageends_with
  • \OpenWith.exe