Detection rules › Sigma

Password Dumper Remote Thread in LSASS

Severity
high
Author
Thomas Patzke
Source
upstream

Detects password dumper activity by monitoring remote thread creation EventID 8 in combination with the lsass.exe process as TargetImage. The process in field Process is the malicious program. A single execution can lead to hundreds of events.

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1003.001 OS Credential Dumping: LSASS Memory

Event coverage

ProviderEvent IDTitle
Sysmon8CreateRemoteThread

Stages and Predicates

Stage 1: selection

StartModule: ''
TargetImage|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
TargetImageends_with
  • \lsass.exe corpus 13 (sigma 13)