IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Unsigned BITS Service Client Process
editUnsigned BITS Service Client Process
editIdentifies an unsigned Windows Background Intelligent Transfer Service (BITS) client process. Attackers may abuse BITS functionality to download or upload data using the BITS service.
Rule type: eql
Rule indices:
- logs-endpoint.events.library-*
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:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Defense Evasion
- Rule Type: BBR
- Data Source: Elastic Defend
Version: 3
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editlibrary where dll.name : "Bitsproxy.dll" and process.executable != null and
not process.code_signature.trusted == true and
not process.code_signature.status : ("errorExpired", "errorCode_endpoint*")
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/
-
Sub-technique:
- Name: Invalid Code Signature
- ID: T1036.001
- Reference URL: https://attack.mitre.org/techniques/T1036/001/
-
Technique:
- Name: BITS Jobs
- ID: T1197
- Reference URL: https://attack.mitre.org/techniques/T1197/