Detection rules › Sigma

Password Dumper Activity on LSASS

Severity
high
Author
sigma
Source
upstream

Detects process handle on LSASS process with certain access mask and object type SAM_DOMAIN

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1003.001 OS Credential Dumping: LSASS Memory

Event coverage

ProviderEvent IDTitle
Security-Auditing4656A handle to an object was requested.

Stages and Predicates

Stage 1: selection

AccessMask: 0x705
ObjectType: SAM_DOMAIN
ProcessName|endswith: '\lsass.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
AccessMaskeq
  • 0x705
ObjectTypeeq
  • SAM_DOMAIN
ProcessNameends_with
  • \lsass.exe