Detection rules › Sigma
PSEXEC Remote Execution File Artefact
Detects creation of the PSEXEC key file. Which is created anytime a PsExec command is executed. It gets written to the file system and will be recorded in the USN Journal on the target system
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1136.002 Create Account: Domain Account, T1543.003 Create or Modify System Process: Windows Service |
| Privilege Escalation | T1543.003 Create or Modify System Process: Windows Service |
| Lateral Movement | T1570 Lateral Tool Transfer |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 11 | FileCreate |
Stages and Predicates
Stage 1: selection
TargetFilename|endswith: .key
TargetFilename|startswith: 'C:\Windows\PSEXEC-'
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.
| Field | Kind | Values |
|---|---|---|
TargetFilename | ends_with |
|
TargetFilename | starts_with |
|