Windows_VulnDriver_WinIo_7ef85f75

rule Windows_VulnDriver_WinIo_7ef85f75 {
    meta:
        author = "Elastic Security"
        id = "7ef85f75-d2a0-4c09-8e25-d87d8bbae345"
        fingerprint = "4eb85afd6021849db9784adc495aaebe2039af1958f7170fc1d321335fde945d"
        creation_date = "2026-07-26"
        last_modified = "2026-08-11"
        description = "Subject: 珠海恒宇新科技有限公司"
        threat_name = "Windows.VulnDriver.WinIo"
        reference_sample = "db4a5b87db97167c70e98014a12ac324866cf643cee65d3b3cda0b33add34d2f"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] E7 8F A0 E6 B5 B7 E6 81 92 E5 AE 87 E6 96 B0 E7 A7 91 E6 8A 80 E6 9C 89 E9 99 90 E5 85 AC E5 8F B8 }
        $str1 = "WinIo.pdb"
        $str2 = "IOCTL_WINIO_UNMAPPHYSADDR"
        $str3 = "IOCTL_WINIO_MAPPHYSTOLIN"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $str1 and $str2 and $str3
}