Windows_VulnDriver_GameDriverX64_df3f390e

rule Windows_VulnDriver_GameDriverX64_df3f390e {
    meta:
        author = "Elastic Security"
        id = "df3f390e-f81a-4364-82fd-c2749e39b8a6"
        fingerprint = "b447616c4c13b6cc87552af86b20a2f9f2af80f9645b1f4d76d6c734908dd7c4"
        creation_date = "2026-07-26"
        last_modified = "2026-08-11"
        description = "Subject: Beijing Beingfungames Technology Co., Ltd., Version: <= 7.23.11.15"
        threat_name = "Windows.VulnDriver.GameDriverX64"
        reference_sample = "e55bfbb979143c6d1bc97129c9b5663639b895f1db605cef578b7f06633c08f6"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 42 65 69 6A 69 6E 67 20 42 65 69 6E 67 66 75 6E 67 61 6D 65 73 20 54 65 63 68 6E 6F 6C 6F 67 79 20 43 6F 2E 2C 20 4C 74 64 2E }
        $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 47 00 61 00 6D 00 65 00 44 00 72 00 69 00 76 00 65 00 72 00 58 00 36 00 34 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-\x06][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x16][\x00-\x00][\x07-\x07][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x17-\x17][\x00-\x00][\x07-\x07][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\x0a][\x00-\x00]|[\x17-\x17][\x00-\x00][\x07-\x07][\x00-\x00][\x00-\x0e][\x00-\x00][\x0b-\x0b][\x00-\x00]|[\x17-\x17][\x00-\x00][\x07-\x07][\x00-\x00][\x0f-\x0f][\x00-\x00][\x0b-\x0b][\x00-\x00])/
        $str1 = "PwrdDriver.pdb"
        $str2 = "GameDriverX64" 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
}