{"group":"madcat","count":1,"rules":[{"rule_name":"madcat.yar","rule_text":"/*\nmadcat ransomware\n*/\n\nrule madcat_Ransomnote\n{\n    meta:\n        author = \"ransomware.live\"\n        family = \"ransomware.madcat\"\n        description = \"Detects madcat ransomware ransom note or artifact\"\n        date = \"2026-05-04\"\n        severity = 7\n        score = 70\n\n    strings:\n        $name1 = \"madcat\" ascii nocase\n        $name2 = \"MADCAT\" ascii\n        $onion  = \"madcat.onion\" ascii nocase\n\n    condition:\n        any of them\n}","sha256":"9c64ac6a4871f85f4fd01a46c3c4fb729fa413d8b2f37f0629a81dd5f18b2a21","byte_size":442,"updated_at":"2026-06-24 05:16:03"}]}