Detectionhightest
Uninstall Sysinternals Sysmon
Detects the removal of Sysmon, which could be a potential attempt at defense evasion
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Launch
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 Logic2 selectors
detection:
selection_pe:
- Image|endswith:
- \Sysmon64.exe
- \Sysmon.exe
- Description: 'System activity monitor'
selection_cli:
CommandLine|contains|windash: '-u'
condition: all of selection_*False Positives
Legitimate administrators might use this command to remove Sysmon for debugging purposes
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
6a5f68d1-c4b5-46b9-94ee-5324892ea939
Status
test
Level
high
Type
Detection
Created
Wed Jan 12
Modified
Wed Mar 13
Author
Path
rules/windows/process_creation/proc_creation_win_sysinternals_sysmon_uninstall.yml
Raw Tags
attack.defense-evasionattack.t1562.001