Windows_VulnDriver_GDrv_1178a4d2

rule Windows_VulnDriver_GDrv_1178a4d2 {
    meta:
        author = "Elastic Security"
        id = "1178a4d2-c3f6-40ad-a591-86e5e655d762"
        fingerprint = "c4188bace0324dae73269fd06d0ae3fa3660b51fed723e435e869c5102d24819"
        creation_date = "2026-05-22"
        last_modified = "2026-07-13"
        description = "Subject: Giga-Byte Technology"
        threat_name = "Windows.VulnDriver.GDrv"
        reference_sample = "655110646bff890c448c0951e11132dc3592bda6e080696341b930d090224723"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 47 69 67 61 2D 42 79 74 65 20 54 65 63 68 6E 6F 6C 6F 67 79 }
        $str1 = "GPCIDrv64.pdb"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $str1
}