/*
Onyx ransomware
*/

rule Onyx_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.onyx"
        description = "Detects Onyx ransomware ransom note"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $s1 = "ONYX" ascii
        $s2 = ".onyx" ascii nocase
        $s3 = "onyx.readme" ascii nocase

    condition:
        any of them
}