Bitsadmin Activity
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:
- endgame-*
- logs-endpoint.events.process-*
- logs-system.security*
- logs-windows.sysmon_operational-*
- winlogbeat-*
Rule Severity: low
Risk Score: 21
Runs every: 60m
Searches indices from: now-119m
Maximum alerts per execution: ?
References:
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: Windows Security Event Logs
Version: ?
Rule authors:
- Elastic
Rule license: Elastic License v2
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&CK
Tactic:
- Name: Command and Control
- Id: TA0011
- Reference URL: https://attack.mitre.org/tactics/TA0011/
Technique:
- Name: Ingress Tool Transfer
- Id: T1105
- Reference URL: https://attack.mitre.org/techniques/T1105/
Framework: MITRE ATT&CK
Tactic:
- Name: Defense Evasion
- Id: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: BITS Jobs
- Id: T1197
- Reference URL: https://attack.mitre.org/techniques/T1197/
Framework: MITRE ATT&CK
Tactic:
- Name: Persistence
- Id: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: BITS Jobs
- Id: T1197
- Reference URL: https://attack.mitre.org/techniques/T1197/