Windows_Ransomware_Ryuk_878bae7e

Description

Identifies RYUK ransomware

Query · yara

strings:
        $b2 = "RyukReadMe.html" wide fullword
        $b3 = "RyukReadMe.txt" wide fullword
    condition:
        1 of ($b*)
Raw source Windows_Ransomware_Ryuk_878bae7e · YARA
Esc
Published by elastic/protections-artifacts ↗, licensed under Elastic License 2.0 ↗. Reproduced here unmodified. 
rule Windows_Ransomware_Ryuk_878bae7e : beta {
    meta:
        author = "Elastic Security"
        id = "878bae7e-1e53-4648-93aa-b4075eef256d"
        fingerprint = "93a501463bb2320a9ab824d70333da2b6f635eb5958d6f8de43fde3a21de2298"
        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:
        $b2 = "RyukReadMe.html" wide fullword
        $b3 = "RyukReadMe.txt" wide fullword
    condition:
        1 of ($b*)
}

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