Identifies a suspicious child process of the Windows virtual system process, which could indicate code injection.
Rule type: eql
Risk score: 73
Runs every: 5m
Maximum alerts per execution: 100
- Threat Detection
- Defense Evasion
Rule license: Elastic License v2
## Config If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
process where event.type in ("start", "process_started") and process.parent.pid == 4 and not process.executable : ("Registry", "MemCompression", "?:\\Windows\\System32\\smss.exe")
Framework: MITRE ATT&CKTM