Windows_VulnDriver_Biostar_083188de

rule Windows_VulnDriver_Biostar_083188de {
    meta:
        author = "Elastic Security"
        id = "083188de-6e71-48fc-b6c9-dee7b94d875a"
        fingerprint = "16cac9ca74a1ca113d1f63e4611b784858cc7e1f3c0fa85c1ca3556e2904e0ef"
        creation_date = "2026-05-22"
        last_modified = "2026-06-25"
        description = "Subject: BIOSTAR MICROTECH INT'L CORP"
        threat_name = "Windows.VulnDriver.Biostar"
        reference_sample = "60c6f4f34c7319cb3f9ca682e59d92711a05a2688badbae4891b1303cd384813"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 42 49 4F 53 54 41 52 20 4D 49 43 52 4F 54 45 43 48 20 49 4E 54 27 4C 20 43 4F 52 50 }
        $str1 = "BS_HWMIO.pdb"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $str1
}