Threat Huntmediumtest

SMB over QUIC Via Net.EXE

Detects the mounting of Windows SMB shares over QUIC, which can be an unexpected event in some enterprise environments.

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Launch
François HubautCreated Fri Jul 212238d337-42fb-4971-9a68-63570f2aede4windows
Hunting Hypothesis
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_img:
        - Image|endswith:
              - '\net.exe'
              - '\net1.exe'
        - OriginalFileName:
              - 'net.exe'
              - 'net1.exe'
    selection_cli:
        CommandLine|contains: '/TRANSPORT:QUIC'
    condition: all of selection_*
False Positives

Administrative activity

MITRE ATT&CK

Other

detection.threat-hunting
Rule Metadata
Rule ID
2238d337-42fb-4971-9a68-63570f2aede4
Status
test
Level
medium
Type
Threat Hunt
Created
Fri Jul 21
Path
rules-threat-hunting/windows/process_creation/proc_creation_win_net_quic.yml
Raw Tags
attack.lateral-movementattack.t1570detection.threat-hunting
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