Windows_VulnDriver_K7_de11af1a

rule Windows_VulnDriver_K7_de11af1a {
    meta:
        author = "Elastic Security"
        id = "de11af1a-9221-40b6-95ab-9dc29c856ddf"
        fingerprint = "eb26fc98c60557f44a01c341f16a84bb24dd9ab412134705c9d597f9463da412"
        creation_date = "2026-05-22"
        last_modified = "2026-07-20"
        description = "Subject: K7 Computing Pvt Ltd, Version: <= 12.1.0.3"
        threat_name = "Windows.VulnDriver.K7"
        reference_sample = "40c256226409c3a945270d07d052545cdb587ae07f81fc5160ca5123fd217b5e"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 4B 37 20 43 6F 6D 70 75 74 69 6E 67 20 50 76 74 20 4C 74 64 }
        $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 4B 00 37 00 52 00 4B 00 53 00 63 00 61 00 6E 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-\x0b][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x00][\x00-\x00][\x0c-\x0c][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x01-\x01][\x00-\x00][\x0c-\x0c][\x00-\x00][\x00-\x02][\x00-\x00][\x00-\x00][\x00-\x00]|[\x01-\x01][\x00-\x00][\x0c-\x0c][\x00-\x00][\x03-\x03][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "K7RKScan.pdb"
        $str2 = "K7RKScan" wide
        $str3 = "K7RKScan Kernel Module" 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
}