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Taskmgr as LOCAL_SYSTEM

Detects the creation of taskmgr.exe process in context of LOCAL_SYSTEM

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Launch
Florian Roth (Nextron Systems)Created Sun Mar 18Updated Fri May 279fff585c-c33e-4a86-b3cd-39312079a65fwindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        User|contains: # covers many language settings
            - 'AUTHORI'
            - 'AUTORI'
        Image|endswith: '\taskmgr.exe'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
Resolving title…
Internal Research
MITRE ATT&CK
Rule Metadata
Rule ID
9fff585c-c33e-4a86-b3cd-39312079a65f
Status
test
Level
high
Type
Detection
Created
Sun Mar 18
Modified
Fri May 27
Author
Florian Roth (Nextron Systems)
Path
rules/windows/process_creation/proc_creation_win_taskmgr_localsystem.yml
Raw Tags
attack.defense-evasionattack.t1036
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