Detection rules › Sigma

Remote DLL Load Via Rundll32.EXE

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects a remote DLL load event via "rundll32.exe".

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1204.002 User Execution: Malicious File

Event coverage

ProviderEvent IDTitle
Sysmon7Image loaded

Stages and Predicates

Stage 1: selection

Image|endswith: '\rundll32.exe'
ImageLoaded|startswith: '\\\\'

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
Imageends_with
  • \rundll32.exe corpus 76 (sigma 76)
ImageLoadedstarts_with
  • \\\\