Windows_VulnDriver_Zam_8865a090

rule Windows_VulnDriver_Zam_8865a090 {
    meta:
        author = "Elastic Security"
        id = "8865a090-a765-43b4-86ed-e1fc37320cc4"
        fingerprint = "e684e7f7c2bddc7fdacc7f06c59f12c568b6d78f3b59c968b3a14fec95dfe76b"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: Yongji Zaihui E-commerce Co., Ltd., Version: <= 0.0.0.0"
        threat_name = "Windows.VulnDriver.Zam"
        reference_sample = "03f41826ee5624e938ff9de7b621fc954decdf4b6f8cc266c43706881053c1ba"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 59 6F 6E 67 6A 69 20 5A 61 69 68 75 69 20 45 2D 63 6F 6D 6D 65 72 63 65 20 43 6F 2E 2C 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 = "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
}