Potential Credential Dumping Attempt Via PowerShell Remote Thread

Severity: high
Author: oscd.community, Natalia Shornikova
Source: upstream

Detects remote thread creation by PowerShell processes into "lsass.exe"

MITRE ATT&CK coverage

Tactic	Techniques
Credential Access	`T1003.001` OS Credential Dumping: LSASS Memory

Event coverage

Provider	Event ID	Title
Sysmon	8	CreateRemoteThread

Stages and Predicates

Stage 1: `selection`

or:
SourceImage|endswith: '\powershell.exe'
SourceImage|endswith: '\pwsh.exe'
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.