[ { "rulename": "ramnit", "if": { "malware.name": "ramnit-.*$" }, "then": { "classification.identifier": "ramnit" } }, { "rulename": "default", "if": { "malware.name": ".*", "classification.taxonomy": "malicious code", "classification.identifier": "" }, "then": { "classification.identifier": "{msg[malware.name]}" } } ]