Detection rules › Sigma

LSASS Process Crashed - Application

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects Windows error reporting events where the process that crashed is LSASS (Local Security Authority Subsystem Service). This could be the cause of a provoked crash by techniques such as Lsass-Shtinkering to dump credentials.

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1003.001 OS Credential Dumping: LSASS Memory

Event coverage

ProviderEvent IDTitle
Application-Error1000

Stages and Predicates

Stage 1: selection

AppName: lsass.exe
ExceptionCode: c0000001
Provider_Name: 'Application Error'

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
AppNameeq
  • lsass.exe
ExceptionCodeeq
  • c0000001
Provider_Nameeq
  • Application Error corpus 2 (sigma 2)