YARA Rule: blacklock.yar

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Valid Rule

/*
BlackLock ransomware
*/

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

    strings:
        $s1 = "BlackLock" ascii nocase
        $s2 = "BLACK-LOCK" ascii nocase
        $s3 = "Reedme.txt" ascii nocase
        $s4 = "blacklock.onion" ascii nocase

    condition:
        any of them
}