PowerShell as a Service in Registry

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

Detects that a powershell code is written to the registry as a service.

MITRE ATT&CK coverage

Tactic	Techniques
Execution	`T1569.002` System Services: Service Execution

Event coverage

Provider	Event ID	Title
Sysmon	13	RegistryEvent (Value Set)

Stages and Predicates

Stage 1: `selection`

or:
Details|contains: powershell
Details|contains: pwsh
TargetObject|endswith: '\ImagePath'
TargetObject|contains: '\Services\'

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.