YARA Rule: lockbit5.yar

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Valid Rule

/*
LockBit 5.0 (Erebus rebranding)
*/

rule LockBit5_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.lockbit5"
        description = "Detects LockBit 5.0 / Erebus ransom note"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $s1 = "LockBit 5" ascii nocase
        $s2 = "Erebus" ascii nocase
        $s3 = "lockbit5" ascii nocase

    condition:
        any of them
}