Windows_VulnDriver_Zam_5e44a46c

rule Windows_VulnDriver_Zam_5e44a46c {
    meta:
        author = "Elastic Security"
        id = "5e44a46c-8589-4db8-b695-8ab46325cf7c"
        fingerprint = "2a43a2359cc64e837611da2faeca9d3ffaead49cfab817d3592c2ce83f23895a"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: 中船重工汉光科技股份有限公司, Version: <= 0.0.0.0"
        threat_name = "Windows.VulnDriver.Zam"
        reference_sample = "e8b6b76f9be9682efcce6f701707cfd4e401ea5bc089f2ceeda4ceea8b6c9a26"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] E4 B8 AD E8 88 B9 E9 87 8D E5 B7 A5 E6 B1 89 E5 85 89 E7 A7 91 E6 8A 80 E8 82 A1 E4 BB BD E6 9C 89 E9 99 90 E5 85 AC E5 8F B8 }
        $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-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00]/
        $str1 = "zam64.pdb"
        $str2 = "IOCTL_CHECK_DRIVER_DISPATCH_ROUTINES"
        $str3 = "IOCTL_FIX_CRITICAL_KERNEL_FUNCTIONS"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $version and $str1 and $str2 and $str3
}