Detection rules › Sigma

MMC20 Lateral Movement

Severity
high
Author
@2xxeformyshirt (Security Risk Advisors) - rule; Teymur Kheirkhabarov (idea)
Source
upstream

Detects MMC20.Application Lateral Movement; specifically looks for the spawning of the parent MMC.exe with a command line of "-Embedding" as a child of svchost.exe

MITRE ATT&CK coverage

TacticTechniques
Lateral MovementT1021.003 Remote Services: Distributed Component Object Model

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: -Embedding
Image|endswith: '\mmc.exe'
ParentImage|endswith: '\svchost.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
  • -Embedding
Imageends_with
  • \mmc.exe corpus 6 (sigma 6)
ParentImageends_with
  • \svchost.exe corpus 8 (sigma 8)