Windows_Trojan_CobaltStrike_7efd3c3f

rule Windows_Trojan_CobaltStrike_7efd3c3f {
    meta:
        author = "Elastic Security"
        id = "7efd3c3f-1104-4b46-9d1e-dc2c62381b8c"
        fingerprint = "9e7c7c9a7436f5ee4c27fd46d6f06e7c88f4e4d1166759573cedc3ed666e1838"
        creation_date = "2021-03-23"
        last_modified = "2021-08-23"
        description = "Identifies Hashdump module from Cobalt Strike"
        threat_name = "Windows.Trojan.CobaltStrike"
        severity = 70
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "hashdump.dll" ascii fullword
        $a2 = "hashdump.x64.dll" ascii fullword
        $a3 = "\\\\.\\pipe\\hashdump" ascii fullword
        $a4 = "ReflectiveLoader"
        $a5 = "Global\\SAM" ascii fullword
        $a6 = "Global\\FREE" ascii fullword
        $a7 = "[-] no results." ascii fullword
    condition:
        4 of ($a*)
}