Detectionmediumtest
Potentially Suspicious WebDAV LNK Execution
Detects possible execution via LNK file accessed on a WebDAV server.
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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: '\explorer.exe'
Image|endswith:
- '\cmd.exe'
- '\cscript.exe'
- '\mshta.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\wscript.exe'
CommandLine|contains: '\DavWWWRoot\'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
1412aa78-a24c-4abd-83df-767dfb2c5bbe
Status
test
Level
medium
Type
Detection
Created
Mon Aug 21
Author
Path
rules/windows/process_creation/proc_creation_win_webdav_lnk_execution.yml
Raw Tags
attack.executionattack.t1059.001attack.t1204