Windows_VulnDriver_Sandra_11b4de5a

rule Windows_VulnDriver_Sandra_11b4de5a {
    meta:
        author = "Elastic Security"
        id = "11b4de5a-a9ed-48dc-8aac-1da50f4429bf"
        fingerprint = "fbe89322c7c52e01a55e9ab02f4752c0f86a35192eee15f44d17b9ca1f98561e"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: SiSoftware Ltd, Version: <= 10.11.1.1"
        threat_name = "Windows.VulnDriver.Sandra"
        reference_sample = "1aaf4c1e3cb6774857e2eef27c17e68dc1ae577112e4769665f516c2e8c4e27b"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 53 69 53 6F 66 74 77 61 72 65 20 4C 74 64 }
        $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 53 00 41 00 4E 00 44 00 52 00 41 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-\x09][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x0a][\x00-\x00][\x0a-\x0a][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x0b-\x0b][\x00-\x00][\x0a-\x0a][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\x00][\x00-\x00]|[\x0b-\x0b][\x00-\x00][\x0a-\x0a][\x00-\x00][\x00-\x00][\x00-\x00][\x01-\x01][\x00-\x00]|[\x0b-\x0b][\x00-\x00][\x0a-\x0a][\x00-\x00][\x01-\x01][\x00-\x00][\x01-\x01][\x00-\x00])/
        $str1 = "SANDRA.pdb"
        $str2 = "SiSoftware Sandra" wide
        $str3 = "Sandra Device Driver (Win64 x64)(Unicode)" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $original_file_name and $version and $str1 and $str2 and $str3
}