Windows_VulnDriver_Zam_5f89a617

rule Windows_VulnDriver_Zam_5f89a617 {
    meta:
        author = "Elastic Security"
        id = "5f89a617-d2a7-4347-b247-6998e02ba831"
        fingerprint = "1d6d7d978b9493fef311a2e60bf505537107209ba518c67e8c394f08f7b9f146"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Name: ZAM.exe, Version: <= 3.0.0.0"
        threat_name = "Windows.VulnDriver.Zam"
        reference_sample = "a3908b3fa59c0fc7600ff8887a87861a4f8566ca0a3bdcf2371bb9f36745db91"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $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 5A 00 41 00 4D 00 2E 00 65 00 78 00 65 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-\x02][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x00][\x00-\x00][\x03-\x03][\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"
        $str4 = "Advanced Malware Protection" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $original_file_name and $version and $str1 and $str2 and $str3 and $str4
}