File Download Via Bitsadmin

calendar Jan 29, 2026 · attack.defense-evasion attack.persistence attack.t1197 attack.s0190 attack.t1036.003 attack.command-and-control attack.t1105  ·
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Detects usage of bitsadmin downloading a file

Sigma rule (View on GitHub)

 1title: File Download Via Bitsadmin
 2id: d059842b-6b9d-4ed1-b5c3-5b89143c6ede
 3status: test
 4description: Detects usage of bitsadmin downloading a file
 5references:
 6    - https://blog.netspi.com/15-ways-to-download-a-file/#bitsadmin
 7    - https://isc.sans.edu/diary/22264
 8    - https://lolbas-project.github.io/lolbas/Binaries/Bitsadmin/
 9author: Michael Haag, FPT.EagleEye
10date: 2017-03-09
11modified: 2023-02-15
12tags:
13    - attack.defense-evasion
14    - attack.persistence
15    - attack.t1197
16    - attack.s0190
17    - attack.t1036.003
18    - attack.command-and-control
19    - attack.t1105
20logsource:
21    category: process_creation
22    product: windows
23detection:
24    selection_img:
25        - Image|endswith: '\bitsadmin.exe'
26        - OriginalFileName: 'bitsadmin.exe'
27    selection_cmd:
28        CommandLine|contains: ' /transfer '
29    selection_cli_1:
30        CommandLine|contains:
31            - ' /create '
32            - ' /addfile '
33    selection_cli_2:
34        CommandLine|contains: 'http'
35    condition: selection_img and (selection_cmd or all of selection_cli_*)
36falsepositives:
37    - Some legitimate apps use this, but limited.
38level: medium
39regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_bitsadmin_download/info.yml
40simulation:
41    - type: atomic-red-team
42      name: Windows - BITSAdmin BITS Download
43      technique: T1105
44      atomic_guid: a1921cd3-9a2d-47d5-a891-f1d0f2a7a31b

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