Detection rules › Sigma

PUA - Crassus Execution

Severity
high
Author
pH-T (Nextron Systems)
Source
upstream

Detects Crassus, a Windows privilege escalation discovery tool, based on PE metadata characteristics.

MITRE ATT&CK coverage

TacticTechniques
ReconnaissanceT1590.001 Gather Victim Network Information: Domain Properties

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

or:
Description|contains: Crassus
Image|endswith: '\Crassus.exe'
OriginalFileName: Crassus.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
Descriptionmatch
  • Crassus
Imageends_with
  • \Crassus.exe
OriginalFileNameeq
  • Crassus.exe