Detection rules › Sigma

REGISTER_APP.VBS Proxy Execution

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects the use of a Microsoft signed script 'REGISTER_APP.VBS' to register a VSS/VDS Provider as a COM+ application.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

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

Stages and Predicates

Stage 1: selection

CommandLine|contains: -register
CommandLine|contains: '\register_app.vbs'

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
  • -register
  • \register_app.vbs