{"group":"hellcat","count":1,"rules":[{"rule_name":"hellcat.yar","rule_text":"/*\nHellCat ransomware\n*/\n\nrule HellCat_Ransomnote\n{\n    meta:\n        author = \"ransomware.live\"\n        family = \"ransomware.hellcat\"\n        description = \"Detects HellCat ransomware ransom note\"\n        date = \"2026-05-04\"\n        severity = 7\n        score = 70\n\n    strings:\n        $s1 = \"HellCat\" ascii nocase\n        $s2 = \"HELLCAT\" ascii\n        $s3 = \"hellcat.onion\" ascii nocase\n\n    condition:\n        any of them\n}","sha256":"f88bea50cdee7542d3030e67bfe6bf6850952165c12bcd5f5baf772013e48f3e","byte_size":427,"updated_at":"2026-06-24 05:16:01"}]}