Windows_VulnDriver_VBox_2b119c8d

rule Windows_VulnDriver_VBox_2b119c8d {
    meta:
        author = "Elastic Security"
        id = "2b119c8d-e66d-4168-927c-206ae789395b"
        fingerprint = "9d233017c1f49d2e907a8e21dca8d0eea2cdcaac709b3a76f63a532b468afd40"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: Sun Microsystems, Inc., Version: <= 3.0.0.0"
        threat_name = "Windows.VulnDriver.VBox"
        reference_sample = "7539157df91923d4575f7f57c8eb8b0fd87f064c919c1db85e73eebb2910b60c"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 53 75 6E 20 4D 69 63 72 6F 73 79 73 74 65 6D 73 2C 20 49 6E 63 2E }
        $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-\x02][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x00][\x00-\x00][\x03-\x03][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "VBoxDrv.pdb"
        $str2 = "IOCTL_LOGGER_SETTINGS_SIZE_IN"
        $str3 = "IOCTL_PAGE_ALLOC_EX_SIZE_IN"
        $str4 = "RTTimerReleaseSystemGranularity"
        $str5 = "RTTimerRequestSystemGranularity"
    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
}