Sigma rule: File Download Via Bitsadmin To An Uncommon Target Folder

Rule

Title

File Download Via Bitsadmin To An Uncommon Target Folder

Status

deprecated

Level

medium

Author

Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)

Date

2022-06-28

Modified

2025-12-10

File

deprecated/windows/proc_creation_win_bitsadmin_download_uncommon_targetfolder.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects usage of bitsadmin downloading a file to uncommon target folder

Log source

product

windows

category

process_creation

Detection

selection_img:
    - Image|endswith: '\bitsadmin.exe'
    - OriginalFileName: 'bitsadmin.exe'
selection_flags:
    CommandLine|contains:
        - ' /transfer '
        - ' /create '
        - ' /addfile '
selection_folder:
    CommandLine|contains:
        - '%AppData%'
        - '%temp%'
        - '%tmp%'
        - '\AppData\Local\'
        - 'C:\Windows\Temp\'
condition: all of selection_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.defense-evasion
• attack.persistence
• attack.t1197
• attack.s0190
• attack.t1036.003

MITRE ATT&CK ids this rule names

• S0190
• T1036.003
• T1197

References

• https://blog.netspi.com/15-ways-to-download-a-file/#bitsadmin
• https://isc.sans.edu/diary/22264
• https://lolbas-project.github.io/lolbas/Binaries/Bitsadmin/
• https://blog.talosintelligence.com/breaking-the-silence-recent-truebot-activity/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/deprecated/windows/proc_creation_win_bitsadmin_download_uncommon_targetfolder.yml