VSSAudit Security Event Source Registration

Severity: informational
Author: Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
Source: upstream

Detects the registration of the security event source VSSAudit. It would usually trigger when volume shadow copy operations happen.

MITRE ATT&CK coverage

Tactic	Techniques
Credential Access	`T1003.002` OS Credential Dumping: Security Account Manager

Event coverage

Provider	Event ID	Title
Security-Auditing	4904	An attempt was made to register a security event source.
Security-Auditing	4905	An attempt was made to unregister a security event source.

Stages and Predicates

Stage 1: `selection`

AuditSourceName: VSSAudit

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.