Detection rules › Sigma

HackTool - SharpEvtMute DLL Load

Severity
high
Author
Florian Roth (Nextron Systems)
Source
upstream

Detects the load of EvtMuteHook.dll, a key component of SharpEvtHook, a tool that tampers with the Windows event logs

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1562.002 Impair Defenses: Disable Windows Event Logging

Event coverage

ProviderEvent IDTitle
Sysmon7Image loaded

Stages and Predicates

Stage 1: selection

Hashes|contains: 'IMPHASH=330768A4F172E10ACB6287B87289D83B'

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
Hashesmatch
  • IMPHASH=330768A4F172E10ACB6287B87289D83B corpus 3 (sigma 3)