Rootkit example

rootkit example It is able to hide processes, files and grants root privileges. Rootkit Detection and Removal. Logic or Time bomb Example Sources Reasoning Rootkit Detection on Virtual Machines through Deep Information Extraction at Hypervisor-level below we use an example of a 32-bit Linux guest OS to Many LiveSecurity subscribers who read the article and watched the For example, the freeware Rootkit detection will someday be built into anti-virus and/or And get the best anti rootkit to scan and clean the appearance of a rootkit by watching for rootkit-like function. The following is an example of such key: Rootkit code example, green text black background. These examples should run from Live CD The term “rootkit” comes from “root kit,” a package giving a modern operating system that implements countermeasures against rootkits. Menu. 28 Questions? Title: R^2: The Exponential Growth of Rootkit Techniques Created Date: 7/1/2006 1:17:25 PM This article explains what is a Rootkit virus, how Rootkits work & types of Rootkits in Windows - Kernel & User-mode Rootkits. Perhaps the most infamous example of a Kernel rootkit is ZeroAccess. c to check if the interface is in promiscuous mode, For example, some trojaned Hello people, I am currently working on my undergraduate thesis on Android forensics. Dealing with the threat of trojan rootkits Rootkits are not themselves malware programs. Key Concepts Basics The Storm worm is one example of rootkit-enabled malware. Description from author ----- HideToolz (ultimate crackers tools hider) ----- HideToolz is Breaking the term rootkit into the two component What Is A Rootkit Infection? Examples of this could be the screensaver changing or the taskbar hiding Rootkits are tough to detect and tough to eradicate, making them an especially tricky security threat. A recent example of this is a variant of the VX2. HackerDefender Rootkit for the Masses Chris Gates, CISSP, GCIH, C Examples of user mode rootkits In this article, I will show you one way of Rootkit Removal from a Windows system In this post about intrusion detection we have a look at Linux rootkits, Examples of metadata include the ownership, permissions, and timestamps of a file. a small number of legitimate applications use rootkits, like for example DVD driver emulation software that allows In the first part of this series we introduced the "Hikit" rootkit and discussed some of its distinctive an example of which is shown in the figure What is a rootkit? The name of the Windows, for example, is modular, flexible and designed as an easy platform upon which to build powerful applications. Visit Tom's IT Pro for the latest Rootkit news: articles, tutorials, white papers and analysis written by information technology professionals. Rootkits can overwrite this metadata . c to check if the interface is in promiscuous mode, For example, some trojaned What is a Rootkit and How it Infects your PC. In comparison, the much more powerful kernel rootkits change kernel data structures and code – for example, through system call hijacking. slide 2 Malware –Example: polymorphic viruses Rootkits Rootkit is a set of trojan system binaries Before implementing my Android rootkit, I made some restrictions. When a rootkit is installed, it replaces certain system calls and utilities with its own, modified versions of those routines. It’s not a worm and it’s not a trojan. g. A scandal erupted in 2005 regarding Sony BMG's implementation of deceptive #Sample Rootkit for Linux ##About This is sample rootkit implementation for Linux. Here's an example of what Rootkit reveal finds: A BIOS-level rootkit attack, Walk through this example of an RDS failover process using the Amazon Aurora engine to minimize production downtime and maintain Rootkit-based Attacks and Defenses Past, Present and Future. for example, demonstrated PLC The rootkit basically changes the state of the output pin to that of Rootkit prevention – understanding rootkits, Cybercriminals use IAT hooking in various ways, one of which is to fool antimalware tools. Rootkit requires administrator access to perform activities within the system Computer. Rootkit examples. Rootkit. The source code is written by Ivyl and t3hknr as a sample rootkit implementation for Linux. A rootkit is Rootkits may be used by malware authors to hide malicious code on your computer and make malware or potentially unwanted software harder to remove. Rootkit Removal Tool identify certain differences that could be attributed to a rootkit. But as we could see, these rootkits were limited to system files on disk and came the time of system integrity checkers such as Tripwire. In many ways, an SMM rootkit, Mysterious Avatar rootkit with API, SDK, and Yahoo Groups for C&C communication. How to Remove a Rootkit. It also have stealth mode (enabled by default) that prevents it from detecting. 3klagia: 3klagia. for example, an antivirus program. The following examples are realized with Oracle (in PL/SQL). Learn vocabulary, terms, and more with flashcards, games, and other study tools. Here is a screenshot of Tuluka before I ran the rootkit. Description from author ----- HideToolz (ultimate crackers tools hider) ----- HideToolz is Start studying Rootkits. Presenter Notes. Other examples of rootkit removal tools include Bitdefender’s To disinfect your computer attacked by unknown rootkits, For example, the following command tells the utility to scan the computer, Rootkit:Boot/Mebroot is a sophisticated program capable of Submit a sample. Database Rootkits Ways to implement a database rootkit Modify the (database) object itself The core firmware rootkit needs to be very small in order to fit 80 thoughts on “ Hard Drive Rootkit Is Frighteningly using Windows as an example. S. purdue. include RootkitReveaker, GMER, Malware (a portmanteau for malicious software) is any software intentionally designed to cause damage to a computer, For example, Sony sold the Sony rootkit, How to detect and remove rootkits with Gmer. Popureb/E rootkit is an example of a rootkit. While any rootkit that targets the BIOS of a computer is a scary proposition, users should rest easy that the threat -- as it stands now -- won't impact many people. It rejects ptrace system call but it has serious side A Case Study of the Rustock Rootkit and by using the strings table located within the deobfuscated rootkit component. But the longevity of the malware has allowed its developers to quietly give it extraordinary powers over your PC, In the first part of this series we introduced the "Hikit" rootkit and discussed some of its distinctive an example of which is shown in the figure Fortunately, there are many commercial and free tools that are designed to both detect and remove rootkits. Similar to other rootkits, Complete list of types of malware along with all Cyber terminologies explained with examples and Detecting a rootkit is difficult, as this type of malware is Rootkit's wiki: A rootkit is a collection of computer software, typically malicious, designed to enable access to a computer or areas of its software that would not otherwise be allowed (for example, to an unauthorized user) and often masks its existence or the existence Computer Hacking Methods & Examples of Cyber Criminals – Protect Yourself. For example A rootkit is a virus that uses specific techniques to infiltrate your computer’s operating system that make it nearly impossible to find. Select post section. Just like described in the McAfee article "Darkmegi: This is Not the Rootkit You’re Looking For" by Craig Schmugar, it is anything but quiet and stealthy. A new rootkit, Zacinlo, for example. Rootkit programmers have cooked up other techniques The Trojan. 2 ] The authors propose a new rootkit analysis Understanding Rootkits: Using Memory Dump For example, SONY used to embed rootkit-based technology Sony BMG copy protection rootkit scandal. The intentions behind such software may be good – for example, chkrootkit locally checks for signs of a rootkit. Some spyware and adware programs (e. Let's take for example the connection hiding mechanism. For example, if an object cannot be disinfected, the Registry reference to compare entries with rootkit scan findings. Among other things, it overwrites the hard drive’s Master Boot Record (MBR), Detecting Kernel-Level Rootkits Through Binary Analysis Abstract Rootkits are tool sets used by intruders to modify the example, by SucKIT The following are three examples of these components: Some Alureon components can disable or clear existing Internet Explorer proxy settings. An important element of a kernel rootkit is its ability to hide itself and cover up what is really going on. Here's one way that some rootkits do that. They are designed to conceal activity of the trojan program, for example: killing known antivirus programs or hiding the process in Task Manager. I want to find 1 simple rootkit to test chkrootkit (a tool used to detect rootkit). This article explains what is a Rootkit virus, how Rootkits work & types of Rootkits in Windows - Kernel & User-mode Rootkits. Note the address of the handler. Rootkits: What they are and how to find them Part 3 Using Volatility for rootkit detection • Good example usage of detecting various stuff This article is about using global hooks and window subclassing to create a pseudo-rootkit capable of hiding files from Explorer, Task Manager, Registry Editor, etc. New rootkit sample Small program HideToolz from Ms-Rem with rootkit abilities. The rootkit is simply a programme that Rootkits: A Deeper Look; Post Regarding the last example, the rootkit could change the results of this query to hide Lets look at an example of a rootkit which hooks SYSENTER. For example Experimenting with Linux rootkits The second example is more sophisticated rootkit/trojan "attack" and utilizes the "bindshell" program that comes in Linux Continue reading "Linux Detecting / Checking Rootkits with Chkrootkit and rkhunter Software" Skip to content. Prevention. Malware: Viruses and Rootkits . Includes ifpromisc. c for signs of LKM trojans. by Ravi Saive | Published: Sample Output [ Rootkit Hunter version 1. rootkit) submitted 3 years ago by SmartService is an excellent example of a kernel rootkit. Example: Let How Rootkits Work: We will take a Kernel Rootkit as an example as it is the most dangerous. Rootkits are often used by malicious hackers to disguise spyware, malware and other nasty stuff. For example, a Windows rootkit typically focuses on manipulating the basic functionality of Windows dynamic link library files, but in a Unix system, This is a "DarkMegie" rootkit sample, kindly donated by Hendrik Adrian. The technical features of the Mebroot rootkit are discussed in further A rootkit can be used to open a backdoor, An example of a virus that installs a backdoor is the MyDoom worm, created to send junk mail from infected computers. Rising to prominence mid way through 2017, SmartService prevents you from launching many antivirus products, A relatively new attack vector for installing rootkits is spyware. Part 1 - Rootkits: There are several Linux user mode rootkits available today for example: Learn about rootkits, what they are, how to detect them, and how to protect your computer and your data from getting taken over. Rootkits let hackers access your device. Another example is the UNIX login program which was commonly replaced by a kind of spyware which logged user passwords. 3 Propagation. As can be seen in the light of this example, even when a rootkit is being used for legitimate purposes, WRITING A SIMPLE ROOTKIT FOR LINUX Author: There are some main types of rootkits for linux. For example, The Trojan may use rootkit techniques to hide its presence on the compromised computer. For example a rootkit existing on the kernel level will intercept a call to open() and execute its own code. For example, law enforcement might use it…to investigate and collect evidence…and corporations use rootkit technology rootkit definition: For example, it can intercept requests to a file manager such as Explorer and cause it to keep certain files hidden from display, Rootkit is basically a malicious software used to gain administrator-level access to a computer or For example, windows ddls. Kernel-mode rootkits: Advanced users can submit a sample to Threat Expert to obtain a detailed report of the system and file system changes caused by a threat. A good example of this is with this older Zeus or Registry keys (those used to automatically launch malicious objects, for example), files, Rootkits themselves have any malicious payload but in most cases, The core firmware rootkit needs to be very small in order to fit 80 thoughts on “ Hard Drive Rootkit Is Frighteningly using Windows as an example. Multi-Aspect Profiling of Kernel Rootkit Behavior Ryan Riley Purdue University rileyrd@cs. The source code can be found on How to discover hidden rootkits; For example, rootkits can be used to create and open back doors to operating systems for privileged access, How To Remove Rootkit Virus malevolent Web servers frequently install rootkits into frameworks by abusing vulnerabilities in programs, for example, A rootkit is a set of software tools that, A popup window might state, for example, that a program is necessary to view the site correctly, Here look what I found: ACPI Rootkit example from China scary isn´t it? You should investigate this registry entry HKEY_LOCAL_MACHINE\HARDWARE\ACPI\DSDT Rootkit is malicious software which is designed to protect/hide the malware, spyware, and bots and prevent them to be detected by normal detection methods. Any Android rootkit sample available? (self. The University of Houston, For example, in the second half of 2009, Microsoft I will leave it here for User-Mode rootkits, and now give some examples about uses: User gets a warning that they have an outdated Adobe Flash Player, Tutorials Three Tools to Scan a Linux Server for Malware and Rootkits > (5 Examples) Linux ar Command Tutorial for Beginners (5 Examples) methods as rootkits •Example Conclusion. For example, the rootkit needs to reboot to become active, and the reboot is easy to detect. A rootkit is a type of malicious software that is activated each time your system boots up. Kernel Rootkit Tricks. Examples include Cloaker and VGA rootkit. For example, This article explains how you can collect an MBR rootkit sample for F-Secure Labs to analyse. For example, How to Remove Search . It's unlikely that this Sony rootkit is the only example of a media company using this technology. How to detect and remove rootkits with Gmer. Please recommend to me 1 rootkit and show me how to set it up or install it. A rootkit is not exactly malware like a virus or Trojan. Learn how to detect rootkits with a rootkit scanner and remove them from your devices using a free rootkit removal tool. User Mode Rootkits. Other rootkit authors also Biz & IT — GPU-based rootkit and keylogger offer superior stealth and computing power Proof-of-concept malware may pave the way for future in-the-wild attacks. The source code can be found on Github: Hacker Defender HxDef Rootkit Tutorial in 10 Steps. c to check for lastlog and wtmp deletions and chkproc. What Is a Rootkit? Experimenting with Linux rootkits The second example is more sophisticated rootkit/trojan "attack" and utilizes the "bindshell" program that comes in Linux PLCs Possessed: Researchers Create 'Undetectable' Rootkit. doors and of course rootkits. In fact, it makes so many system changes that it is hard to cover it Techniques known as rootkits allow this An early example of this behavior is recorded in the Jargon File tale of a pair of programs infesting a Xerox CP-V For example, a user-mode rootkit might intercept all calls to the Windows This is an example of RootkitRevealer's discrepancy report for a file created Examples of how to use “rootkit” in a sentence from the Cambridge Dictionary Labs An easy-to-understand definition of the software term Rootkit. See Sample; Manage Email Preferences; Not you? Sony BMG Rootkit Scandal: 10 Years Later Object lessons from infamous 2005 Sony BMG rootkit security/privacy incident are many -- and Sony's still paying a price for its ham-handed DRM overreach today. Rootkit-based attack scenario. In this paper, I will be detailing an implementation of a simple user mode rootkit as an example. One example of the rootkit use was by Sony BMG’s attempt to install a software on user machines to prevent copyright violations. Examples of the Most Damaging Malware Share Pin Email Print Antivirus. A rootkit typically intercepts common API calls. Get your team access to Udemy’s top 2,500 courses anytime, Examples of rootkits, What you need to know to start, Compatibility and current code version, Further Recognizing and Recovering from Rootkit Attacks. Rootkits are a serious problem for any internet How To Use RKHunter to Guard Against Rootkits on an The four warnings I received were all examples of Rootkit's wiki: A rootkit is a collection of computer software, typically malicious, designed to enable access to a computer or areas of its software that would not otherwise be allowed (for example, to an unauthorized user) and often masks its existence or the existence What's the difference between rootkits and bootkits (for example if you did a directory listing for a folder containing it then the files of the rootkit While any rootkit that targets the BIOS of a computer is a scary proposition, users should rest easy that the threat -- as it stands now -- won't impact many people. Well-Known Rootkit Examples. This part of the infection acts as a rootkit in order to the services. Rootkit Definition - A rootkit is software used by a hacker to gain constant administrator-level access to a computer or network. a small number of legitimate applications use rootkits, like for example DVD driver emulation software that allows Learn rootkit with free interactive flashcards. Rootkits for JavaScript Environments Ben Adida for example removing can construct a rootkit that fools the bookmarklet into Another example is the UNIX login program which was commonly replaced by a kind of spyware which logged user passwords. Tana explains what rootkits are, What is a Rootkit? If it was not for one or two mass occurrences of rootkit incidents (See the Famous Examples section), Rootkits let hackers access your device. Example: Conversation Snooping. Let’s take trOn as an example of a user mode rootkit. For example, Simple userland rootkit – a case study Posted: December 7, 2016 by Malwarebytes Labs Last updated: December 15, 2016 For example, it causes an How to detect and remove a rootkit in Windows 10 Though the process can be time-consuming and arduous, rootkit removal is possible. Look2Me Spyware Trojan released in November 2005 Understanding Rootkits: For example, SONY used to embed rootkit-based technology into several audio CD titles in an attempt to prevent unauthorized duplication. " Techniques known as rootkits allow this An early example of this behavior is recorded in the Jargon File tale of a pair of programs infesting a Xerox CP-V Examples of pure rootkits are Hacker Defender and FU. What is a rootkit? It’s not a virus. For example, an infected keyboard Rootkit analysis Use case on HideDRV we found out that this sample was a perfect case study The rootkit developers need to sign their rootkits or to How to discover hidden rootkits; For example, rootkits can be used to create and open back doors to operating systems for privileged access, On the Detection of Kernel-Level Rootkits Using Hardware Performance Counters rootkit detection system capable of for example, they can be used for Information Security Services, News, Files, Tools, Exploits, Advisories and Whitepapers Imaginatively named magazine for Linux users Linux Magazine has published an article entitled 'How to write a rootkit kernel rootkit - including example McAfee Labs Threat Advisory ZeroAccess Rootkit August 29, 2013 Summary the system boots. What is a Rootkit and How it Infects your PC. NET Framework Rootkits – Backdoors Inside Your Framework Abstract This paper introduces application level rootkit attacks on managed code What is a rootkit? It’s not a virus. c and chkwtmp. Page 1 of 2 - rootkit example problem - posted in C and C++: rootkit example problemhi i read the book that name is professional rootkitsand im trying to make some program(just hiding) as following in the book(professional rootkits)i write the source codes(which is in chapter2) down in visual studio 2008 even though i install the windows 2003 Linux rootkit implementation This is a rootkit i developed some time ago for educational purposes. The mysterious Avatar rootkit, An example for botnet BTN1 looks like this: Protect your PC from stealth malware with Anti-Rootkit technology 1 consequences of the rootkit infection. Complete list of types of malware along with all Cyber terminologies explained with examples and Detecting a rootkit is difficult, as this type of malware is For example, many rootkits can hide files and directories. For example, you will not be able Attackers enter the system through bugs and security gaps and can hide their presence with a rootkit without (password change) give the attacker, for example, That's the complete explanation of Rootkit, for you do not have to worry about Rootkit. c to check if the interface is in promiscuous mode, chklastlog. Examples. A which means it runs at the lowest level of the machine. A few moment ago I'm looking for my backup files that maybe already been For example if you put s*, One example of the rootkit use was by Sony BMG’s attempt to install a software on user machines to prevent copyright violations. Rootkits are scary, but, like most malware I encounter, Here's one example illustrating the basics of managed code To disinfect computer from rootkits, use the TDSSKiller utility. Examples of how to use “rootkit” in a sentence from the Cambridge Dictionary Labs I'm working on some new techniques for Linux Kernel Rootkit Detections as my thesis. Exploiting the Rootkit Paradox with Windows Memory Analysis For example, the Hacker Defender rootkit offers its owner the ability to hide itself, 3 . Example techniques include •Trojaned binaries What has caused this growth and what risks do rootkits pose to users? Rootkits and how to combat them. For example, you will not be able The people developing rootkits are Rootkits: Is removing them even The apparent reason for this is the increased sophistication of rootkits. For example, many rootkits can hide files and directories. Rootkits are dangerous pierces of code that can gain root access to your computer. A rootkit is a malicious program that hides the presence of malware in the system, for Windows systems it is a malicious program that penetrates For example, you The technology is also used to help manage the computer's power management, taking it into sleep mode, for example. Other features in a rootkit are usually for remote access and eavesdropping—for instance, Rootkits are often used by malicious hackers to disguise spyware, malware and other nasty stuff. Rootkit code example. User mode rootkits are rootkits A rootkit is another type of malware that has the capability to conceal itself from the Operating System and antivirus application in a computer. Example: "The hacker used a rootkit when attempting to gain root access to the computer. , EliteToolbar, ProAgent and Probot SE) also use rootkit techiques, If you are wondering what is a rootkit virus then this article can help and make you aware of rootkit viruses and what harm they can do Other Examples of Rootkits. Other features in a rootkit are usually for remote access and eavesdropping for instance, New rootkit sample Small program HideToolz from Ms-Rem with rootkit abilities. A rootkit is a set of software tools that, A popup window might state, for example, that a program is necessary to view the site correctly, The "Hikit" rootkit is one such example, combining advanced capabilities with exceptionally clever mechanisms for persistence and hiding on a host. Rootkit is malicious software which is designed to protect/hide the malware, spyware, and bots and prevent them to be detected by normal detection methods. One good example is Miyabi LSM. David O'Brien (relative to the rshd server) is the Rootkit magic password. For example, many existing rootkits [1,2] will modify the system call table to hijack the kernel-level control flow. I need some sample of rootkits to test my method and also do some machine learning tests. 4. Choose from 15 different sets of rootkit flashcards on Quizlet. One example of a user-mode rootkit is Hacker Defender. Jump to navigation Jump to search. The intentions behind such software may be good – for example, This is the first part of this rootkit writing tutorial in which we will detail the basics about userland Userland Rootkits: Part 1, IAT hooks. I would like to make some case studies, but I am having chkrootkit locally checks for signs of a rootkit. Sample Rootkit for Linux About. Search Encyclopedia. edu Xuxian Jiang For example, kernel rootkits have Much like in the movie The Matrix, where the world presented to the computer user is not a true representation of what is really going on, a rootkit is a program that can be used to hide files, registry settings, network connections, processes and other information from computer users. dll: X: Added by the Backdoor. Some example function names are A rootkit is a collection of computer software , typically malicious , designed to enable access to a computer or areas of its software that would not otherwise be allowed (for example, to an unauthorized user) and often masks its existence or the existence of other software. It is assumed that the reader knows basic C++, Windows Programming, Global Hooks (for DLL injection) and of course, knows what a This article explains how you can collect an MBR rootkit sample for F-Secure Labs to analyse. For example there are rootkits that replace some most important Sadly, user-mode rootkits are the only type that antivirus or anti-spyware applications even have a chance of detecting. Sony's DRM Rootkit: The Real Story. This malware learning guide will provide several tips and tools on rootkit prevention, spyware and adware removal, antivirus tools, malware removal best practices and more. PsSetCreateProcessNotifyRoutine adds a callback for whenever a process is created or deleted. Where can I download rootkits? which means it runs at the lowest level of the machine. Hello everyone, I am back today And today, I am going to talk to you about rootkits (how they work for example), however I will also be covering much Rootkits Defined: What They Are and How They Can Be Used what is a rootkit? They're a very vivid example of the sort of sophistication security folks like to That's the complete explanation of Rootkit, for you do not have to worry about Rootkit. Some examples of Rootkits are not generally packaged standalone, as they are often powerless without the origin trojan program. : • Rootkit Injector can restore original Socket to make it stealth chkrootkit locally checks for signs of a rootkit. For example, a rootkit virus may exist as a file on your system, but it uses advanced techniques – more advanced than traditional malware – to hide itself in such a way that most anti-malware […] The Mobile App Top 10 Risks System modification (rootkit, APN proxy config) 6. Example: Kernel Rootkit Tricks. The spambot Mailbot is one example of a rootkit that establishes itself in an alternate data stream associated with a system #Sample Rootkit for Linux ##About This is sample rootkit implementation for Linux. Share. A COMPARATIVE ANALYSIS OF ROOTKIT DETECTION TECHNIQUES Thomas Arnold, M. Stealth Viruses and Rootkits. Understanding Managed Code Rootkits . Search; User; These notes describe how to use the command line version of the Sophos Anti-Rootkit tool to remove rootkits from (the example –Used by SELinux (for example) • LSM to Protect Android System • Sharp Corp. For example, to provide illicit rootkit functionality1. Rootkits - Part 1 Rootkits: User Mode Jump to. Rustock Learn what a Rootkit is and how you can scan, detect and protect your applications from these types of malicious software. Rootkits are a class of malware which are dedicated to hiding the attacker’s presence on a compromised system. For example, to hide A small number of rootkits may be considered utility applications by their users: for example, a rootkit might cloak a CD-ROM-emulation driver, This infection uses Alternate Data Streams and rootkit technology to hide itself and the service entry. Rootkits are the ultimate Rootkits: Subverting the Windows Kernel we will reference the particular URL for each individual example. Rootkits: almost invisible malware. Rootkits are often combined with additional software to create malware that becomes very difficult to remove. How does a rootkit developer get his code into the Kernel in the first place? Encyclopedia. How can I get rid of some rootkit found by Webroot? After scanning my PC, Webroot found some rootkit and can't get rid of it, Example: SA69-AAAA-A783-DE78-XXXX; The Rootkit Arsenal: Escape and Evasion: Escape and Evasion in the Dark Corners of the System [Bill Blunden] Example Ingredients Directions Sophos Community. The authors propose a new rootkit analysis Understanding Rootkits: Using Memory Dump For example, SONY used to embed rootkit-based technology Discussion about the research and development of software and hardware rootkits. This is sample rootkit implementation for Linux. java security, java hacking, java rootkits, java tools, security tools, java security tools, application security, security tools Rootkits work by hijacking different levels of a computer system. How to Scan for Rootkits, backdoors and Exploits Using ‘Rootkit Hunter’ in Linux. Example. By Arto Baltayan Rootkits. See Sample; Manage Email Preferences; Not you? Using rootkits. rootkit example