New Process Created Via Taskmgr.EXE

testlow
log source: windows · process_creationauthor Florian Roth (Nextron Systems)date 2018-03-13
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description

What this is, in brief.

Detects the creation of a process via the Windows task manager. This might be an attempt to bypass UAC

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tags

attack.stealthattack.t1036
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rule source (YAML)

title: New Process Created Via Taskmgr.EXE
id: 3d7679bd-0c00-440c-97b0-3f204273e6c7
status: test
description: Detects the creation of a process via the Windows task manager. This might be an attempt to bypass UAC
references:
    - https://twitter.com/ReneFreingruber/status/1172244989335810049
author: Florian Roth (Nextron Systems)
date: 2018-03-13
modified: 2024-01-18
tags:
    - attack.stealth
    - attack.t1036
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\taskmgr.exe'
    filter_main_generic:
        Image|endswith:
            - ':\Windows\System32\mmc.exe'
            - ':\Windows\System32\resmon.exe'
            - ':\Windows\System32\Taskmgr.exe'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Administrative activity
level: low
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detects techniques (1)

ATT&CK techniques this enables or maps to.

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references

External citations — patches, advisories, analysis.