Suspicious Endpoint Security Parent Processedit
A suspicious Endpoint Security parent process was detected. This may indicate a process hollowing or other form of code injection.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
- endgame-*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Defense Evasion
- Elastic Endgame
Version: 102 (version history)
Added (Elastic Stack release): 7.10.0
Last modified (Elastic Stack release): 8.6.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
process where event.type == "start" and process.name : ("esensor.exe", "elastic-endpoint.exe") and process.parent.executable != null and /* add FPs here */ not process.parent.executable : ("C:\\Program Files\\Elastic\\*", "C:\\Windows\\System32\\services.exe", "C:\\Windows\\System32\\WerFault*.exe", "C:\\Windows\\System32\\wermgr.exe")
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Masquerading
- ID: T1036
- Reference URL: https://attack.mitre.org/techniques/T1036/
Rule version historyedit
- Version 102 (8.6.0 release)
-
- Formatting only
- Version 101 (8.5.0 release)
-
-
Updated query, changed from:
process where event.type in ("start", "process_started", "info") and process.name : ("esensor.exe", "elastic-endpoint.exe") and process.parent.executable != null and /* add FPs here */ not process.parent.executable : ("C:\\Program Files\\Elastic\\*", "C:\\Windows\\System32\\services.exe", "C:\\Windows\\System32\\WerFault*.exe", "C:\\Windows\\System32\\wermgr.exe")
-
- Version 7 (8.4.0 release)
-
-
Updated query, changed from:
process where event.type in ("start", "process_started", "info") and process.name : ("esensor.exe", "elastic-endpoint.exe") and process.parent.executable != null and /* add FPs here */ not process.parent.executable : ("C:\\Program Files\\Elastic\\*", "C:\\Windows\\System32\\services.exe", "C:\\Windows\\System32\\WerFault*.exe", "C:\\Windows\\System32\\wermgr.exe")
-
- Version 5 (8.2.0 release)
-
- Formatting only
- Version 4 (7.12.0 release)
-
- Formatting only
- Version 3 (7.11.2 release)
-
- Formatting only
- Version 2 (7.11.0 release)
-
-
Updated query, changed from:
event.category:process and event.type:(start or process_started) and process.name:(esensor.exe or "elastic-endpoint.exe" or "elastic- agent.exe") and not process.parent.executable:"C:\Windows\System32\services.exe"
-