Windows_Ransomware_Ryuk_72b5fd9d

rule Windows_Ransomware_Ryuk_72b5fd9d : beta {
    meta:
        author = "Elastic Security"
        id = "72b5fd9d-23db-4f18-88d9-a849ec039135"
        fingerprint = "7c394aa283336013b74a8aaeb56e8363033958b4a1bd8011f3b32cfe2d37e088"
        creation_date = "2020-04-30"
        last_modified = "2021-08-23"
        description = "Identifies RYUK ransomware"
        threat_name = "Windows.Ransomware.Ryuk"
        reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ryuk"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $d1 = { 48 2B C3 33 DB 66 89 1C 46 48 83 FF FF 0F }
    condition:
        1 of ($d*)
}