Suspicious Remote Script Transfer via Bitsadmin (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-12
Updated
2026-09-12

ATT&CK techniques

Execution → C2
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. Exfiltration

  12. Impact

What it detects

This rule detects bitsadmin.exe transferring a Windows Script Host file, matching the WebDAV delivery chain that uses a bitsadmin transfer job to stage a wsh payload into the temp directory before execution. Administrative bitsadmin usage rarely targets script files.

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Windows Process Creation: bitsadmin Downloads Files to Suspicious Directories
Windows Process Creation: BITSAdmin Downloading File with Suspicious Extension
Windows BITSAdmin Downloads from File-Sharing Domains
Windows BITSAdmin File Download via bitsadmin.exe with Transfer/Addfile Arguments
Suspicious Remote Script Transfer via Bitsadmin (via process_creation)
Pivot detection · T1105 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.