Sigma rule: Suspicious Bitstransfer via PowerShell

Rule

Title

Suspicious Bitstransfer via PowerShell

Status

deprecated

Level

medium

Author

Austin Songer @austinsonger

Date

2021/08/19

Modified

2023/01/10

File

deprecated/windows/proc_creation_win_susp_bitstransfer.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects transferring files from system on a server bitstransfer Powershell cmdlets

Log source

product

windows

category

process_creation

Detection

selection:
    Image|endswith:
        - '\powershell.exe'
        - '\powershell_ise.exe'
        - '\pwsh.exe'
    CommandLine|contains:
        - 'Get-BitsTransfer'
        - 'Add-BitsFile'
condition: selection

False positives (as the rule lists them)

• Unknown

Tags

• attack.exfiltration
• attack.persistence
• attack.t1197

MITRE ATT&CK ids this rule names

• T1197

References

• https://docs.microsoft.com/en-us/powershell/module/bitstransfer/add-bitsfile?view=windowsserver2019-ps

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_susp_bitstransfer.yml