Detection rules › Sigma

Renamed Vmnat.exe Execution

Severity
high
Author
elhoim
Source
upstream

Detects renamed vmnat.exe or portable version that can be used for DLL side-loading

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1574.001 Hijack Execution Flow: DLL
Privilege EscalationT1574.001 Hijack Execution Flow: DLL
Defense EvasionT1574.001 Hijack Execution Flow: DLL

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

OriginalFileName: vmnat.exe

Stage 2: not 1 of filter_rename

Image|endswith: vmnat.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
Imageends_with
  • vmnat.exe
OriginalFileNameeq
  • vmnat.exe