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Elastic Docs ›Elastic Security Solution [8.15] ›Detections and alerts ›Prebuilt rule reference

Bitsadmin Activity

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Bitsadmin Activity

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Windows Background Intelligent Transfer Service (BITS) is a low-bandwidth, asynchronous file transfer mechanism. Adversaries may abuse BITS to persist, download, execute, and even clean up after running malicious code.

Rule type: eql

Rule indices:

  • logs-endpoint.events.process-*
  • logs-windows.sysmon_operational-*
  • endgame-*
  • logs-system.security*
  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 60m

Searches indices from: now-119m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Command and Control
  • Data Source: Elastic Defend
  • Rule Type: BBR
  • Data Source: Sysmon
  • Data Source: Elastic Endgame
  • Data Source: System

Version: 105

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "windows" and event.type == "start" and
  (
   (process.name : "bitsadmin.exe" and process.args : (
        "*Transfer*", "*Create*", "AddFile", "*SetNotifyFlags*", "*SetNotifyCmdLine*",
        "*SetMinRetryDelay*", "*SetCustomHeaders*", "*Resume*")
   ) or
   (process.name : "powershell.exe" and process.args : (
        "*Start-BitsTransfer*", "*Add-BitsFile*",
        "*Resume-BitsTransfer*", "*Set-BitsTransfer*", "*BITS.Manager*")
   )
  )

Framework: MITRE ATT&CKTM

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