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YARA Rule: unknown.yar

Group:
Valid Rule

/*
unknown ransomware
*/

rule unknown_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.unknown"
        description = "Detects unknown ransomware ransom note or artifact"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $name1 = "unknown" ascii nocase
        $name2 = "UNKNOWN" ascii
        $onion  = "unknown.onion" ascii nocase

    condition:
        any of them
}