Malicious Forest Blizzard GooseEgg Persistence via WinSrv Scheduled Task as SYSTEM (via process_creation)

ATT&CK techniques

Execution → Priv Esc

Recon
Resource Dev
Initial Access
Execution
- T1053.005Scheduled Task
Persistence
- T1053.005Scheduled Task
Priv Esc
- T1053.005Scheduled Task
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of a scheduled task under the Microsoft Windows WinSrv path running as SYSTEM. Forest Blizzard registered this task with schtasks to persist and run its GooseEgg exploitation tool with elevated privileges.

Reporting behind it

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Malicious Forest Blizzard GooseEgg Persistence via WinSrv Scheduled Task as SYSTEM (via process_creation)

Pivot detection · T1053.005 · 9 related

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