Sigma rule: Suspicious Download From Direct IP Via Bitsadmin

Rule

Title

Suspicious Download From Direct IP Via Bitsadmin

Status

test

Level

high

Author

Florian Roth (Nextron Systems)

Date

2022-06-28

Modified

2023-02-15

File

rules/windows/process_creation/proc_creation_win_bitsadmin_download_direct_ip.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects usage of bitsadmin downloading a file using an URL that contains an IP

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_extension:
    CommandLine|contains:
        - '://1'
        - '://2'
        - '://3'
        - '://4'
        - '://5'
        - '://6'
        - '://7'
        - '://8'
        - '://9'
filter_seven_zip:
    CommandLine|contains: '://7-' # For https://7-zip.org/
condition: all of selection_* and not 1 of filter_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.persistence
• attack.execution
• attack.stealth
• attack.t1197
• attack.s0190
• attack.t1036.003

MITRE ATT&CK ids this rule names

• S0190
• T1036.003
• T1197

Related rules

• 90f138c1-f578-4ac3-8c49-eecfd847c8b7 (similar)

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/rules/windows/process_creation/proc_creation_win_bitsadmin_download_direct_ip.yml