Detection rules › Sigma

DPAPI Domain Backup Key Extraction

Severity
high
Author
Roberto Rodriguez @Cyb3rWard0g
Source
upstream

Detects tools extracting LSA secret DPAPI domain backup key from Domain Controllers

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1003.004 OS Credential Dumping: LSA Secrets

Event coverage

ProviderEvent IDTitle
Security-Auditing4662An operation was performed on an object.

Stages and Predicates

Stage 1: selection

AccessMask: 0x2
ObjectName|contains: BCKUPKEY
ObjectType: SecretObject

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
AccessMaskeq
  • 0x2 corpus 2 (sigma 2)
ObjectNamematch
  • BCKUPKEY
ObjectTypeeq
  • SecretObject