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Detection rules › Sigma

Service Installation in Suspicious Folder

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

Detects service installation in suspicious folder appdata

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1543.003 Create or Modify System Process: Windows Service
Privilege EscalationT1543.003 Create or Modify System Process: Windows Service

Event coverage

ProviderEvent IDTitle
Service-Control-Manager7045

Stages and Predicates

Stage 1: selection

or:
ImagePath|contains: '\AppData\'
ImagePath|contains: '\\\\127.0.0.1'
ImagePath|contains: '\\\\localhost'
Provider_Name: 'Service Control Manager'

Stage 2: not 1 of filter_optional_zoom

ImagePath|contains: ':\Program Files\Common Files\Zoom\Support\CptService.exe'
ServiceName: 'Zoom Sharing Service'

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
ImagePathmatch
  • :\Program Files\Common Files\Zoom\Support\CptService.exe
  • \AppData\
  • \\\\127.0.0.1
  • \\\\localhost
Provider_Nameeq
  • Service Control Manager corpus 43 (sigma 43)
ServiceNameeq
  • Zoom Sharing Service

Neighbors

Broader alternatives (more inclusive than this rule)

These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.