Threat Huntmediumtest
ClickOnce Deployment Execution - Dfsvc.EXE Child Process
Detects child processes of "dfsvc" which indicates a ClickOnce deployment execution.
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Mon Jun 12241d52b5-eee0-49d0-ac8a-8b9c15c7221cwindows
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 Logic1 selector
detection:
selection:
ParentImage|endswith: '\dfsvc.exe'
Image|endswith: '\AppData\Local\Apps\2.0\'
condition: selectionFalse Positives
False positives are expected in environement leveraging ClickOnce deployments. An initial baselining is required before using this rule in production.
References
MITRE ATT&CK
Other
detection.threat-hunting
Rule Metadata
Rule ID
241d52b5-eee0-49d0-ac8a-8b9c15c7221c
Status
test
Level
medium
Type
Threat Hunt
Created
Mon Jun 12
Path
rules-threat-hunting/windows/process_creation/proc_creation_win_dfsvc_child_processes.yml
Raw Tags
attack.executionattack.defense-evasiondetection.threat-hunting