Windows_VulnDriver_VBox_c3e681e1

rule Windows_VulnDriver_VBox_c3e681e1 {
    meta:
        author = "Elastic Security"
        id = "c3e681e1-9274-473e-ba7a-36a23c04a9ce"
        fingerprint = "56d375b7f4bef159e0c38ea47913f5f9d351eb9c23783c081cbcb9e44f350997"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: Vektor T13 Security Service, Version: <= 1.2.0.19230"
        threat_name = "Windows.VulnDriver.VBox"
        reference_sample = "26f41e4268be59f5de07552b51fa52d18d88be94f8895eb4a16de0f3940cf712"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 56 65 6B 74 6F 72 20 54 31 33 20 53 65 63 75 72 69 74 79 20 53 65 72 76 69 63 65 }
        $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 56 00 42 00 6F 00 78 00 44 00 72 00 76 00 2E 00 73 00 79 00 73 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-\x00][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x01][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x02-\x02][\x00-\x00][\x01-\x01][\x00-\x00]([\x00-\xff][\x00-\x00]|[\x00-\xff][\x01-\x4a]|[\x00-\x1d][\x4b-\x4b])[\x00-\x00][\x00-\x00]|[\x02-\x02][\x00-\x00][\x01-\x01][\x00-\x00][\x1e-\x1e][\x4b-\x4b][\x00-\x00][\x00-\x00])/
        $str1 = "VBoxDrv.pdb"
        $str2 = "IOCTL_LOGGER_SETTINGS_SIZE_IN"
        $str3 = "IOCTL_PAGE_ALLOC_EX_SIZE_IN"
        $str4 = "RTMpOnPairIsConcurrentExecSupported"
        $str5 = "RTTimerReleaseSystemGranularity"
    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 and $str4 and $str5
}