{"group":"knight","count":1,"rules":[{"rule_name":"knight.yar","rule_text":"/*\nKnight ransomware (rebranded Cyclops)\n*/\n\nrule Knight_Ransomnote\n{\n    meta:\n        author = \"ransomware.live\"\n        family = \"ransomware.knight\"\n        description = \"Detects Knight ransomware ransom note\"\n        date = \"2026-05-04\"\n        severity = 7\n        score = 70\n\n    strings:\n        $s1 = \"knight_l\" ascii nocase\n        $s2 = \"How To Restore Your Files.txt\" ascii nocase\n        $s3 = \"Knight\" ascii\n        $s4 = \".knight_l\" ascii\n\n    condition:\n        2 of them\n}","sha256":"d1c7dc561fc02a62a080e0ce035b92bc78c41e3c76f7cf0255b9a9c12b746a97","byte_size":489,"updated_at":"2026-06-24 05:16:02"}]}