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Detectionmediumtest

PowerShell Hotfix Enumeration

Detects call to "Win32_QuickFixEngineering" in order to enumerate installed hotfixes often used in "enum" scripts by attackers

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Tue Jun 21f5d1def8-1de0-4a0e-9794-1f6f27dd605cwindows
Log Source
WindowsPowerShell Script
ProductWindows← raw: windows
CategoryPowerShell Script← raw: ps_script

Definition

Requirements: Script Block Logging must be enabled

Detection Logic
Detection Logic1 selector
detection:
    selection:
        ScriptBlockText|contains|all:
            - 'Win32_QuickFixEngineering'
            - 'HotFixID'
    condition: selection
False Positives

Legitimate administration scripts

References
1
Resolving title…
github.com
MITRE ATT&CK
Rule Metadata
Rule ID
f5d1def8-1de0-4a0e-9794-1f6f27dd605c
Status
test
Level
medium
Type
Detection
Created
Tue Jun 21
Author
Nasreddine Bencherchali (Nextron Systems)
Path
rules/windows/powershell/powershell_script/posh_ps_hotfix_enum.yml
Raw Tags
attack.discovery
View on GitHub