Windows_Trojan_Netwire_f42cb379

rule Windows_Trojan_Netwire_f42cb379 {
    meta:
        author = "Elastic Security"
        id = "f42cb379-ac8c-4790-a6d3-aad6dc4acef6"
        fingerprint = "a52d2be082d57d07ab9bb9087dd258c29ef0528c4207ac6b31832f975a1395b6"
        creation_date = "2022-08-14"
        last_modified = "2022-09-29"
        threat_name = "Windows.Trojan.Netwire"
        reference = "https://www.elastic.co/security-labs/netwire-dynamic-configuration-extraction"
        reference_sample = "ab037c87d8072c63dc22b22ff9cfcd9b4837c1fee2f7391d594776a6ac8f6776"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "http://%s%ComSpec" ascii fullword
        $a2 = "%c%.8x%s" ascii fullword
        $a3 = "%6\\6Z65dlNh\\YlS.dfd" ascii fullword
        $a4 = "GET %s HTTP/1.1" ascii fullword
        $a5 = "R-W65: %6:%S" ascii fullword
        $a6 = "PTLLjPq %6:%S -qq9/G.y" ascii fullword
    condition:
        4 of them
}