Detection rules › Sigma

PUA - CSExec Default Named Pipe

Severity
medium
Author
Nikita Nazarov, oscd.community, Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects default CSExec pipe creation

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1569.002 System Services: Service Execution
Lateral MovementT1021.002 Remote Services: SMB/Windows Admin Shares

Event coverage

ProviderEvent IDTitle
Sysmon17PipeEvent (Pipe Created)
Sysmon18PipeEvent (Pipe Connected)

Stages and Predicates

Stage 1: selection

PipeName|contains: '\csexecsvc'

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
PipeNamematch
  • \csexecsvc