IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Startup Folder Persistence via Unsigned Processedit
Identifies files written or modified in the startup folder by unsigned processes. Adversaries may abuse this technique to maintain persistence in an environment.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
Severity: medium
Risk score: 41
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
- Persistence
Version: 2 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule queryedit
sequence by host.id, process.entity_id with maxspan=5s [process where event.type in ("start", "process_started") and process.code_signature.trusted == false and /* suspicious paths can be added here */ process.executable : ("C:\\Users\\*.exe", "C:\\ProgramData\\*.exe", "C:\\Windows\\Temp\\*.exe", "C:\\Windows\\Tasks\\*.exe", "C:\\Intel\\*.exe", "C:\\PerfLogs\\*.exe") ] [file where event.type != "deletion" and user.domain != "NT AUTHORITY" and file.path : ("C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\*", "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\StartUp\\*") ]
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Boot or Logon Autostart Execution
- ID: T1547
- Reference URL: https://attack.mitre.org/techniques/T1547/
Rule version historyedit
- Version 2 (7.12.0 release)
-
- Formatting only