Detectionmediumtest

PsExec Service Execution

Detects launch of the PSEXESVC service, which means that this system was the target of a psexec remote execution

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Launch
Thomas Patzke, Romaissa Adjailia, Florian Roth (Nextron Systems)Created Mon Jun 12Updated Tue Feb 28fdfcbd78-48f1-4a4b-90ac-d82241e368c5windows
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:
        - Image: 'C:\Windows\PSEXESVC.exe'
        - OriginalFileName: 'psexesvc.exe'
    condition: selection
False Positives

Legitimate administrative tasks

MITRE ATT&CK
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Rule Metadata
Rule ID
fdfcbd78-48f1-4a4b-90ac-d82241e368c5
Status
test
Level
medium
Type
Detection
Created
Mon Jun 12
Modified
Tue Feb 28
Path
rules/windows/process_creation/proc_creation_win_sysinternals_psexesvc.yml
Raw Tags
attack.execution
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