{"group":"nightsky","count":1,"rules":[{"rule_name":"nightsky.yar","rule_text":"/*\nNightSky ransomware (Rook/LockFile-related)\n*/\n\nrule NightSky_Ransomnote\n{\n    meta:\n        author = \"ransomware.live\"\n        family = \"ransomware.nightsky\"\n        description = \"Detects NightSky ransomware ransom note\"\n        date = \"2026-05-04\"\n        severity = 7\n        score = 70\n\n    strings:\n        $s1 = \"NightSkyReadMe.hta\" ascii nocase\n        $s2 = \"NightSky\" ascii nocase\n        $s3 = \".nightsky\" ascii\n\n    condition:\n        any of them\n}","sha256":"d08a27779923b2c9ce484e79e52a79fb30e158be2745b908391191f67668fd8c","byte_size":463,"updated_at":"2026-06-24 05:16:03"}]}