Hayabusa medium test sigma

File Encryption Using Gpg4win

Detects usage of Gpg4win to encrypt files

View Source

Detection Logic

{
  "process_creation": {
    "EventID": 4688,
    "Channel": "Security"
  },
  "selection_metadata": [
    {
      "NewProcessName
| endswith": [
        "\\gpg.exe",
        "\\gpg2.exe"
      ]
    },
    {
      "Description": "GnuPG’s OpenPGP tool"
    }
  ],
  "selection_cli": {
    "CommandLine
| contains
| all": [
      " -c ",
      "passphrase"
    ]
  },
  "condition": "process_creation and (all of selection_*)"
}

False Positives

  • ⚠ Unknown

Field Validations

Loading…

Comments (0)

Loading comments...