Detectionhightest

Potential Suspicious Winget Package Installation

Detects potential suspicious winget package installation from a suspicious source.

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Tue Apr 18a3f5c081-e75b-43a0-9f5b-51f26fe5dba2windows
Log Source
WindowsAlternate Data Stream
ProductWindows← raw: windows
CategoryAlternate Data Stream← raw: create_stream_hash
Detection Logic
Detection Logic1 selector
detection:
    selection:
        Contents|startswith: '[ZoneTransfer]  ZoneId=3'
        Contents|contains:
            # Note: Add any untrusted sources that are custom to your env
            - '://1'
            - '://2'
            - '://3'
            - '://4'
            - '://5'
            - '://6'
            - '://7'
            - '://8'
            - '://9'
        TargetFilename|endswith: ':Zone.Identifier'
        TargetFilename|contains: '\AppData\Local\Temp\WinGet\'
    condition: selection
False Positives
Unknown

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

Rule Metadata
Rule ID
a3f5c081-e75b-43a0-9f5b-51f26fe5dba2
Status
test
Level
high
Type
Detection
Created
Tue Apr 18
Path
rules/windows/create_stream_hash/create_stream_hash_winget_susp_package_source.yml
Raw Tags
attack.defense-evasionattack.persistence
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