Windows_Rootkit_Generic_fd0021b8

rule Windows_Rootkit_Generic_fd0021b8 {
    meta:
        author = "Elastic Security"
        id = "fd0021b8-be8b-4b80-b501-c2b82398c149"
        fingerprint = "7e6db4cb65925c0db3e2b66e6bb056ffeefe90e2ca52e73e5eead194d56675f1"
        creation_date = "2026-07-26"
        last_modified = "2026-08-11"
        description = "Subject: Microsoft Windows Hardware Compatibility Publisher, Version: <= 2.5.0.0"
        threat_name = "Windows.Rootkit.Generic"
        reference_sample = "42b22faa489b5de936db33f12184f6233198bdf851a18264d31210207827ba25"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 4D 69 63 72 6F 73 6F 66 74 20 57 69 6E 64 6F 77 73 20 48 61 72 64 77 61 72 65 20 43 6F 6D 70 61 74 69 62 69 6C 69 74 79 20 50 75 62 6C 69 73 68 65 72 }
        $version = /V\x00S\x00_\x00V\x00E\x00R\x00S\x00I\x00O\x00N\x00_\x00I\x00N\x00F\x00O\x00\x00\x00{0,4}\xbd\x04\xef\xfe[\x00-\xff]{4}([\x00-\xff][\x00-\xff][\x00-\x01][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x04][\x00-\x00][\x02-\x02][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x05-\x05][\x00-\x00][\x02-\x02][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "Sense5 Driver" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $version and $str1
}