Windows_VulnDriver_GDrv_62f80d5b

rule Windows_VulnDriver_GDrv_62f80d5b {
    meta:
        author = "Elastic Security"
        id = "62f80d5b-d4f7-4806-a271-f391564143fb"
        fingerprint = "4355222154b034fb6b3ed440b54dc06f1813ca49429fdffb3f78033ed4d43a29"
        creation_date = "2026-05-22"
        last_modified = "2026-07-13"
        description = "Subject: Giga-Byte Technology, Version: <= 5.2.3790.1830"
        threat_name = "Windows.VulnDriver.GDrv"
        reference_sample = "17927b93b2d6ab4271c158f039cae2d60591d6a14458f5a5690aec86f5d54229"
        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 }
        $original_file_name = { 4F 00 72 00 69 00 67 00 69 00 6E 00 61 00 6C 00 46 00 69 00 6C 00 65 00 6E 00 61 00 6D 00 65 00 00 00 67 00 64 00 72 00 76 00 2E 00 73 00 79 00 73 00 00 00 }
        $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-\x04][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x01][\x00-\x00][\x05-\x05][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x02-\x02][\x00-\x00][\x05-\x05][\x00-\x00][\x00-\xff][\x00-\xff]([\x00-\xff][\x00-\x00]|[\x00-\xff][\x01-\x0d]|[\x00-\xcd][\x0e-\x0e])|[\x02-\x02][\x00-\x00][\x05-\x05][\x00-\x00]([\x00-\xff][\x00-\x00]|[\x00-\xff][\x01-\x06]|[\x00-\x25][\x07-\x07])[\xce-\xce][\x0e-\x0e]|[\x02-\x02][\x00-\x00][\x05-\x05][\x00-\x00][\x26-\x26][\x07-\x07][\xce-\xce][\x0e-\x0e])/
        $str1 = "gdrv64.pdb"
        $str2 = "Windows (R) Server 2003 DDK driver" wide
        $str3 = "GIGABYTE Tools" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $original_file_name and $version and $str1 and $str2 and $str3
}