Persistence via BITS Job Notify Cmdline

edit

An adversary can use the Background Intelligent Transfer Service (BITS) SetNotifyCmdLine method to execute a program that runs after a job finishes transferring data or after a job enters a specified state in order to persist on a system.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*
  • winlogbeat-*
  • logs-windows.*

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

References:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Persistence

Version: 4 (version history)

Added (Elastic Stack release): 7.13.0

Last modified (Elastic Stack release): 8.4.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

edit

Rule query

edit
process where event.type == "start" and process.parent.name :
"svchost.exe" and process.parent.args : "BITS" and not
process.executable :
("?:\\Windows\\System32\\WerFaultSecure.exe",
"?:\\Windows\\System32\\WerFault.exe",
"?:\\Windows\\System32\\wermgr.exe",
"?:\\WINDOWS\\system32\\directxdatabaseupdater.exe")

Threat mapping

edit

Framework: MITRE ATT&CKTM

Rule version history

edit
Version 4 (8.4.0 release)
  • Formatting only
Version 2 (8.2.0 release)
  • Formatting only