Windows_VulnDriver_Zam_cffca6e7

rule Windows_VulnDriver_Zam_cffca6e7 {
    meta:
        author = "Elastic Security"
        id = "cffca6e7-ca67-4490-a796-0c6b93ca19b4"
        fingerprint = "f06a9ebb4f032493c787bafcba61d7589bc98995593e10472abe02e61afd503b"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: Zemana Ltd., Version: <= 0.0.0.0"
        threat_name = "Windows.VulnDriver.Zam"
        reference_sample = "ab2632a4d93a7f3b7598c06a9fdc773a1b1b69a7dd926bdb7cf578992628e9dd"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 5A 65 6D 61 6E 61 20 4C 74 64 2E }
        $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 = "zam32.pdb"
        $str2 = "IOCTL_CHECK_DRIVER_DISPATCH_ROUTINES"
        $str3 = "IOCTL_FIX_CRITICAL_KERNEL_FUNCTIONS"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and $subject_name and $version and $str1 and $str2 and $str3
}