Sigma medium test sigma

WebDAV Temporary Local File Creation

Detects the creation of WebDAV temporary files with potentially suspicious extensions

View Source

Detection Logic

{
  "selection": {
    "TargetFilename
| contains": "\\AppData\\Local\\Temp\\TfsStore\\Tfs_DAV\\",
    "TargetFilename
| endswith": [
      ".7z",
      ".bat",
      ".dat",
      ".ico",
      ".js",
      ".lnk",
      ".ps1",
      ".rar",
      ".vbe",
      ".vbs",
      ".zip"
    ]
  },
  "condition": "selection"
}

False Positives

  • ⚠ Legitimate use of WebDAV in an environment

Field Validations

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