Detection & Response Rules

Format

Permissions

There are three "sub-categories" within detection and response rules contained in Hive.

• dr-general pertains to rules that your organization has created and/or controls.
• dr-managed pertains to rules that you can use for detection, however are managed or curated by another party (i.e. Soteria rules).
• dr-service is a protected namespace, and users will only ever have metadata permissions.

dr-general

• dr.list
• dr.set
• dr.del

dr-managed

• dr.list.managed
• dr.set.managed
• dr.del.managed

dr-service

• dr.list or dr.list.managed (metadata only)
• dr.set or dr.set.managed (metadata only)

Command-Line Usage

usage: limacharlie hive [-h] [-k KEY] [-d DATA] [-pk PARTITIONKEY] [--etag ETAG] [--expiry EXPIRY] [--enabled ENABLED] [--tags TAGS] action hive_name

positional arguments:
  action                the action to take, one of: list, list_mtd, get, get_mtd, set, update, remove
  hive_name             the hive name

options:
  -h, --help            show this help message and exit
  -k KEY, --key KEY     the name of the key.
  -d DATA, --data DATA  file containing the JSON data for the record, or "-" for stdin.
  -pk PARTITIONKEY, --partition-key PARTITIONKEY 
                        the partition key to use instead of the default OID.
  --etag ETAG           the optional previous etag expected for transactions.
  --expiry EXPIRY       a millisecond epoch timestamp when the record should expire.
  --enabled ENABLED     whether the record is enabled or disabled.
  --tags TAGS           comma separated list of tags.

Usage

Example

{
  "detect": {
    "event": "WEL",
    "op": "and",
    "rules": [
      {
        "op": "is",
        "path": "event/EVENT/System/Channel",
        "value": "Microsoft-Windows-Windows Defender/Operational"
      },
      {
        "op": "is",
        "path": "event/EVENT/System/EventID",
        "value": "1006"
      }
    ]
  },
  "respond": [
    {
      "action": "report",
      "name": "windows-defender-malware-detected"
    }
  ]
}