YARA Rule: direwolf.yar

Sponsored by Hudson Rock – Use Hudson Rock's free cybercrime intelligence tools to learn how Infostealer infections are leading to ransomware attacks

Valid Rule

/*
direwolf ransomware
*/

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

    strings:
        $name1 = "direwolf" ascii nocase
        $name2 = "DIREWOLF" ascii
        $onion  = "direwolf.onion" ascii nocase

    condition:
        any of them
}