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Lkm rootkit

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to change this output buf, first we need to get the original output, by calling the original syscall getdents64, assuming orig_getdents64: after gaining dirent, we need to check if it contains entries we want to hide. as i just said, we cant read a user space pointer, so we copy_from_user, now the buf is in kdirent. This tutorial focuses on rootkits and how to detect them using chkrootkit. Rootkits are tools designed to grant access or privileges while hiding their own presence, or the presence of an additional software granting the access, the "rootkit" term focuses on hiding aspect. Since rootkits have a variety of ways to achieve its goals hiding malicious software, Chkrootkit offers a variety of. . Search: Ubuntu Disable Kernel Module Signature Verification. For example, one type of module is the device driver, which allows the kernel to access hardware connected to the system I know that the upcoming Linux Mint release will be based on the just-released Ubuntu 19 tap on toolbox→Patch to android→tick on Disable signature verification in the package Wileyfox Swift. Works against LKM rootkits such as Diamorphine, Reptile and variants. Very lightweight and will not hook into the kernel or cause system instability. How Do I Use It? Simply build and run sandfly-processdecloak for your preferred Linux platform using the built in scripts. Copy the binary onto your hosts you want to check and run it. LKM rootkit for Linux x86 with the 2.6 kernel. It inserts salts inside system_call and sysenter_entry handlers, so it does not modify sys_call_table, or IDT content. It hide files, directories, and processes. Hides chunks inside of files, gives remote reverse_shell access, local root, etc. tags | tool, remote, x86, kernel, local, root, rootkit. 所以这个lkm rootkit是通过修改task_struct的flags字段来给进程打个标记,等getdents64时会根据标记判断是不是要修改目录信息。 eBPF程序不能直接修改内核数据,那eBPF后门是怎么做"进程隐藏"的呢? getdents64系统调用可以用来获取目录信息,man 2 getdents可以知道第二个指针参数指向"目录条目"buffer. int getdents64(unsigned int fd, struct. 2013. 4. 4. · The rootkit module allocates a buffer for every terminal (i. e. multiple PIDs when multiple terminals) and sends them to the user (you). The data is then stored in your log file (path of the file depends on how you configure your syslog-ng server on your machine). To disable the keylogger, send. keyunlog. 2009. 4. 7. · LKM 루트킷 탐지. 기존의 Rootkit 은 공격자의 프로세스, 디렉토리, 파일 그리고 접속 사실까지도 숨길 수 있다. 하지만 이들은 ps, df, netstat, top, lsof 와 같은 사용자 계층의 프로그램 코드를 변경하여 원하는 기능을 제공하는 것이다. 따라서 이러한 Rootkit 은 파일의. The KNARK rootkit actually hides within the kernel making this rootkit almost impossible to find and analyze. How is this being done? Well, attackers are able to do this by using Loadable Kernel Modules (LKM). For anybody who has been in the Linux world you know that LKM’s are pieces of code that can be loaded into the operating system on. simple put, we just need to find some point to start from, as long as sys_call_table is in our search interval, we will find it without issue. note, syscall table is obtained at runtime, you will only need to compile the LKM once for the same kernel. when syscall table is located, our next move is. Reptile LKM Rootkit Posted May 27, 2018 Authored by mempodippy. Reptile is a Linux kernel module rootkit that hides files, processes, etc. It implements ICMP/UDP/TCP port-knocking backdoors, supports kernels 2.6.x/3.x/4.x, and more. tags | advisory, tool, kernel, udp, tcp systems | linux.

aworan ewe ola; google blocked a less secure app from accessing your account; calculus ppt lecture; moisture barrier for concrete block walls; missile silo for sale michigan. Assuming you have complete privileged access to the filesystem on a Linux computer, you can load arbitrary kernel modules. There are several techniques you can use (non-exhaustive list): Specify the module to load at boot using various configuration files. Modify files in modprobe.d (5) to autoload your rootkit whenever a module normally loads. 所以这个lkm rootkit是通过修改task_struct的flags字段来给进程打个标记,等getdents64时会根据标记判断是不是要修改目录信息。 eBPF程序不能直接修改内核数据,那eBPF后门是怎么做"进程隐藏"的呢? ebpf rootkit是怎么隐藏进程的. This sophisticated on-demand build infrastructure automates the creation of LKM rootkits for different kernels and architectures as each LKM needs to be compiled for the particular kernel it’s intended to run on. rore via Flickr/Creative Commons “Unlike Windows, which has a stable kernel API allowing for the creation of code that is portable between kernel versions, the Linux kernel. An LKM rootkit, as the name implies, consists of one or more kernel modules loaded by attacks. An LKM rootkit re-maps the actual system calls (also known as kernel symbols) accessed by system utilities, leaving the system commands themselves unchanged. Needless to say, this is a very powerful technique.. Hopefully someone can tell me if I do need this or I can remove it to lower the risk. Thanks! avahi is just a framework to make the discovery of network services easier. Strictly speaking, you don't need it, but then things like remote printers and network shares need to be configured manually and statically.

Rootkits. Brent Boe Vasanthanag Vasili. Rootkits: What is a Rootkit?. A rootkit is a set of tools used for (covertly) maintaining root access to a system Rootkits allow attackers the ability to circumvent protection mechanisms limiting root access Slideshow 4200027 by zeal. Linux LKM Rootkit Tutorial | Linux Kernel Module Rootkit | Part 1 - Hooking sys call table, linux rootkit LKMS linux kernel modules device driver lkm rootkit. The LKM rootkits facilitate the subversion of system binaries. Knark, Adore, and Rtkit are just a few of many LKM rootkits available today. As they run as part of the kernel, these rootkits are less detectable than conventional ones. Let us see how a typical backdoor can be installed by an intruder. 所以这个lkm rootkit是通过修改task_struct的flags字段来给进程打个标记,等getdents64时会根据标记判断是不是要修改目录信息。 eBPF程序不能直接修改内核数据,那eBPF后门是怎么做"进程隐藏"的呢? ebpf rootkit是怎么隐藏进程的. Method (a) is currently used by one rootkit only, the SucKIT rootkit presented in Phrack issue 58, article 0x07 ("Linux on-the-fly kernel patching without LKM", by sd & devik). This is a fully working rootkit that is loaded through /dev/kmem (i.e. it does not need a kernel with support for loadable kernel modules. It provides a password. Most kernel-level rootkits take advantage of hooking execution, transmitting to kernel mode, and utilizing a loadable kernel module (LKM) to enhance kernel functionalities with rootkit code. It has a subtype also - the 'bootkit,' which infects the startup programs and codes like MBR (Master Boot Record), VBR (Volume Boot Record), and effects. chkrootkit locally checks for signs of a rootkit. Includes ifpromisc.c to check if the interface is in promiscuous mode, chklastlog.c and chkwtmp.c to check for lastlog and wtmp deletions and chkproc.c for signs of LKM trojans. 2005. 8. 22. · LKM rootkits can make a system administrator’s life a nightmare. They are hard to detect, but using tools like kstat and understanding what the rootkit changes can make our life easier. Since tools like kstat are available, it would help systems administrators if they took a “picture” of the sys_call_table after a fresh install and any upgrades. This sophisticated on-demand build infrastructure automates the creation of LKM rootkits for different kernels and architectures as each LKM needs to be compiled for the particular kernel it’s intended to run on. rore via Flickr/Creative Commons “Unlike Windows, which has a stable kernel API allowing for the creation of code that is portable between kernel versions, the Linux kernel. GitHub - N1et/lkm_rootkit: Rootkit Malware developed in C for Linux Kernel 2.6 README.md LKM Rootkit Malware Rootkit Malware developed in C for Linux Kernel old version. [studying reasons only.] Syshooks lib Bad Syscall hook sys_call_set create_sys_hook remove_sys_hook remove_all_sys_hook Default Hooks Hidden pid Hidden file Details. 2022. 8. 1. · 原文始发于微信公众号(leveryd):lkm和ebpf rootkit分析的简要记录 特别标注: 本站(CN-SEC.COM)所有文章仅供技术研究,若将其信息做其他用途,由用户承担全部法律及连带责任,本站不承担任何法律及连带责任,请遵守中华人民共和国安全法. Search: Ubuntu Disable Kernel Module Signature Verification. 04, linux-image-extra), but the kernel headers will reflect the availability of DRM regardless of whether the module that provides it is actually installed Creating a new initrd boot image for the kernel 509 certificate to load Apt Configure In this video i show how to solve boot problems like "kernel panic" with. Zeppoo – Zeppoo allows you to detect rootkits on i386 and x86_64 architecture under Linux, by using /dev/kmem and /dev/mem. Moreover it can also detect hidden tasks, connections, corrupted symbols, system calls and so many other things. Download source code here. Chkrootkit Software. Chkrootkit – chkrootkit is a tool to locally check for signs of a. LKM -> Linux Kernel Module. 作为Linux内核程序,lkm拥有极高的权限,故常用于编写驱动,当然,在Rootkit领域也十分流行。 LKM基本结构. LKM程序的结构和一般用户模式下的c语言程序不同,一个普通的C语言程序如下:. chkrootkit is a tool to locally check for signs of a rootkit. It contains: chkrootkit: shell script that checks system binaries for rootkit modification. ifpromisc.c: checks if the interface is in promiscuous mode. chklastlog.c: checks for lastlog deletions. chkwtmp.c: checks for wtmp deletions. Reptile LKM Rootkit Posted May 27, 2018 Authored by mempodippy. Reptile is a Linux kernel module rootkit that hides files, processes, etc. It implements ICMP/UDP/TCP port-knocking backdoors, supports kernels 2.6.x/3.x/4.x, and more. tags | advisory, tool, kernel, udp, tcp systems | linux. 2022. 7. 14. · A simple Linux kernel rootkit written for fun, not evil. The rootkit was tested to work on Linux kernels 2.6.32-38 and 4.4.0-22 as provided by Ubuntu in Ubuntu 10.04.4 LTS and Ubuntu 16.04 LTS respectively, but it should be very easy to port to kernels in-between, as well as newer ones. rootkit kernel-module. Rootkit 102 - Introduce the kerlen-based (LKM) rootkit which only hijack the syscall (getdent64) as an example Read more Software Recommended. Rootkit 101 - 2nd Edition Chia-Hao Tsai. Chw00t: How to break out from various chroot solutions Balazs Bucsay. Self Introduction & The Story that I Tried to Make Sayonara ROP Chain in Linux.

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How was the currency exchange rate changed on yesterday? LKM price dropped by 5.52% between min. and max. value. Max. LKM price was $0.000330. Min. Lokum-finance value was $0.000313. The average value Lokum-finance price for convert (or exchange rate) during the day was $0.000318. We see that the value at the end of the day has fallen. Let's. 2018. 12. 2. · Reptile v2.0 releases: LKM Linux rootkit by do son · Published December 2, 2018 · Updated March 11, 2020 Reptile. Linux Rootkit for Fun and Profit - 0x03 - LKM - Hide from ss/netstat Date Wed 11 December 2019 Tags pentest / rootkit / linux / lkm. Every technique used in this rootkit can be found from internet, I am NOT responsible for any damage you might cause using my code. how ss/netstat fetch TCP/UDP connections. linux系统下检测rootkit工具发布时间:2014-03-21 22:08:41来源:红联作者:tioced本文主要介绍linux系统下检测rootkit的两种工具: Rootkit Hunter和Chkrootkit.Rootkit Hunter中文名叫”Rootkit猎手”, 可以发现大约58. "Since the kernel's internals change from version to version, a LKM must be binary compatible with the kernel." The rootkit's goal is to hide the processes, files and ports associated with. GitHub is where people build software. More than 83 million people use GitHub to discover, fork, and contribute to over 200 million projects. In most cases rootkits finds its way into the kernel through Loadable Kernel Modules (LKM). LKM allows extending the functionality of the kernel, without recompiling the kernel. The code inserted using LKM provides same capability as a kernel code. Another important advantage of using LKM is that they can be added/removed on the fly. Though.

Reptile LKM Rootkit Posted May 27, 2018 Authored by mempodippy. Reptile is a Linux kernel module rootkit that hides files, processes, etc. It implements ICMP/UDP/TCP port-knocking backdoors, supports kernels 2.6.x/3.x/4.x, and more. tags | advisory, tool, kernel, udp, tcp systems | linux.

cd Reptile. ./setup.sh install. Dar root a usuarios sin privilegios. Para obtener privilegios de root simplemente escriba: / reptile / reptile_cmd. archivos, directorios y módulo de kernel. Todos los archivos y carpetas que tengan reptiles en el nombre estarán ocultos. The combination of AIDE and LKRG is shown to be most effective, detecting 14 out of 15 rootkits total (both user and kernel space ones). None of the tools detected Keysniffer, which the thesis describes as: "Keysniffer is an LKM that can be classified as a kernel mode rootkit due to its kernel hooking capabilities. The working directory is changed to the one with the LKM file, and then the command is executed. Root privilege is needed to run this instruction.. "/> stair spindles toolstation; used triton aluminum boats for sale near manchester; authentic dream catcher; mini rod ice scream 6. This is a fully working rootkit that is loaded through /dev/kmem (i.e. it does not need a kernel with support for loadable kernel modules. It provides a password protected remote access connect-back shell initiated by a spoofed packet (bypassing most of firewall configurations), and can hide processes, files and connections. 3.2. . 2009. 4. 7. · LKM 루트킷 탐지. 기존의 Rootkit 은 공격자의 프로세스, 디렉토리, 파일 그리고 접속 사실까지도 숨길 수 있다. 하지만 이들은 ps, df, netstat, top, lsof 와 같은 사용자 계층의 프로그램 코드를 변경하여 원하는 기능을 제공하는 것이다. 따라서 이러한 Rootkit 은 파일의. A loadable kernel module (LKM) is the easiest way to create a rootkit, although it is also the most noisy and easiest to defend against.Once root (or system level privileges) is gained on a machine, a rootkit is the best way to maintain root access to that machine. Here I will try to explain the basics of what a LKM actually is and how to create and test a very basic one for Linux. It locally drops and compiles source code of any Linux kernel-mode rootkit specified by the user. Usage Place the code of your selected rootkit inside rootkit_template variable within solaris.go. Compile the Golang binary and launch it on the target system. License This software is under MIT License GitHub https://github.com/redcode-labs/Solaris. View Lkm rootkits PowerPoint PPT Presentations on SlideServe. Collection of Lkm rootkits slideshows. Browse . Recent Presentations Content Topics Updated Contents Featured Contents. PowerPoint Templates. Create. Presentation Survey Quiz Lead-form E-Book. Presentation Creator Create stunning presentation online in just 3 steps.

ERNEL rootkits [1], [2], [3] are widely used in kernel attacks in the Linux servers due to their high privilege and hidden features. Currently, the known kernel rootkits appear mostly in the form of Loadable Kernel Modules (LKM) [4]. These modules can redefine kernel component func-tions, hide themselves, and hide target objects [5]. Loadable kernel module. In computing, a loadable kernel module ( LKM) is an object file that contains code to extend the running kernel, or so-called base kernel, of an operating system. LKMs are typically used to add support for new hardware (as device drivers) and/or filesystems, or for adding system calls. When the functionality provided by. basics of adore (LKM) lets look at how we detect adore and other rootkits. Many rootkits hide processes, directories, files and even connections. But many of them do so by modifying the source code of binaries such as ps, df, netstat, top and lsof. There are a couple of ways to detect these types of rootkits (i.e. t0rn): 1) md5 checksums 2). A rootkit hides itself and some malicious payload from the operating system, users and intrusion detection tools. The techniques utilized by rootkits to avoid detection have evolved over the years. Older rootkits modified system files and were easily detected by tools that checked for file integrity (Kim and Spafford, 1993) or rootkit signatures. That being said, if you actually do have an lkm rootkit installed, then you'll have to wipe the system, do a full reformat and reinstall from trusted media. You should also consider any other OS's on that system to be compromised as well. Once your system's security has been compromised, it can be extremely difficult to identify any other. 2021. 10. 8. · Authors. chkrootkit is a tool to locally check for signs of a rootkit. It contains: chkrootkit: shell script that checks system binaries for rootkit modification. ifpromisc.c: checks if the interface is in promiscuous mode. chklastlog.c: checks for lastlog deletions. chkwtmp.c: checks for wtmp deletions. check_wtmpx.c: checks for wtmpx deletions. Lkm Rootkit - A LKM rootkit for most newer kernel versions. - (lkm-rootkit) rootkit-kernel-module A linux kernel module for hooking and exploiting kernel functions and user data. Note: This loadable kernel module was developed using linux kernel version 4.4.13. Linux LKM Rootkit Tutorial | How To Protect Yourself From MALICIOUS LKM Rootkits | Part 3 - I show you two programs rkhunter, and chkrootkit that can help y. 2014. 8. 14. · LKM Rootkits. Instructor: Dr. Harold C. Grossman Student: Subhra S. Sarkar. Agenda. What are rootkits? Brief history What are LKM rootkits? Malware classification and rootkit’s standing Rootkit objectives LKM rootkit features Case study – Phalanx Detection mechanisms Conclusion.

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所以这个lkm rootkit是通过修改task_struct的flags字段来给进程打个标记,等getdents64时会根据标记判断是不是要修改目录信息。 eBPF程序不能直接修改内核数据,那eBPF后门是怎么做"进程隐藏"的呢?. linux系统下检测rootkit工具发布时间:2014-03-21 22:08:41来源:红联作者:tioced本文主要介绍linux系统下检测rootkit的两种工具: Rootkit Hunter和Chkrootkit.Rootkit Hunter中文名叫”Rootkit猎手”, 可以发现大约58. LKM may be disabled, access to /dev/{k,}mem may be restricted How to detect: search for known patterns, or known bugs. Linux rootkits & TTY Hijacking - 8 ... A rootkit may overwrite the syscall function to place a jump to its own replacement function at the start of the syscall function. Linux rootkits & TTY Hijacking - 9. cd Reptile. ./setup.sh install. Dar root a usuarios sin privilegios. Para obtener privilegios de root simplemente escriba: / reptile / reptile_cmd. archivos, directorios y módulo de kernel. Todos los archivos y carpetas que tengan reptiles en el nombre estarán ocultos. Diamorphine is a LKM rootkit for Linux Kernels 2.6.x/3.x/4.x/5.x and ARM64. Features. When loaded, the module starts invisible; Hide/unhide any process by sending a signal 31; Sending a signal 63(to any pid) makes the module become (in)visible;. About LKM (linux kernel module) rootkits 5 •Insertion of malicious code into kernel on the fly •Enables overriding kernel system calls •Enables manipulation of /dev/kmem device file, allowing intruder to virtually control the kernel on runtime, monitoring every read/write memory operations. Information Security Confidential - Partner Use Only About LKM (linux kernel module) rootkits 6. Rootkit 102 - Introduce the kerlen-based (LKM) rootkit which only hijack the syscall (getdent64) as an example Read more Software Recommended. Rootkit 101 - 2nd Edition Chia-Hao Tsai. Chw00t: How to break out from various chroot solutions Balazs Bucsay. Self Introduction & The Story that I Tried to Make Sayonara ROP Chain in Linux. A rootkit is a collection of computer software, typically malicious, designed to enable access to a computer or an area of its software that is not otherwise allowed (for example, to an unauthorized user) and often masks its existence or the existence of other software. The term rootkit is a compound of "root" (the traditional name of the privileged account on Unix-like operating systems) and. 2022. 7. 14. · A simple Linux kernel rootkit written for fun, not evil. The rootkit was tested to work on Linux kernels 2.6.32-38 and 4.4.0-22 as provided by Ubuntu in Ubuntu 10.04.4 LTS and Ubuntu 16.04 LTS respectively, but it should be very easy to port to kernels in-between, as well as newer ones. rootkit kernel-module. The rootkit implements a new attack against a PLC's input/output interface. By Lucian Constantin. PCWorld Nov 1, 2016 11:51 am PDT. Researchers have devised a new malware attack against industrial. The first module we load is the Rootkit LKM, and this Rootkit LKM basically has three functions. It first has to migrate [our thin] hypervisor's code into the hidden memory. It then subsequently installs this thin hypervisor by virtualizing the running system on the fly, and third, it has to isolate the hypervisor's memory by the usage of. It looks for rootkits. A rootkit is much more than a trojan. It is a kit of programs that specialize in covering their trail so the victim is unaware of their presence. The payload may be a trojan, or maybe not. Well it said possible LKM Trojan, which is why I suspected it.

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rkhunter. rkhunter (Rootkit Hunter) is a security monitoring tool written in Bash for POSIX compliant systems. It carries out various checks for rootkits, backdoors, and local exploits. It compares hashes of important files with known good ones, searching for default directories of rootkits, wrong permissions, hidden files, and suspicious. An LKM rootkit, as the name implies, consists of one or more kernel modules loaded by attacks. An LKM rootkit re-maps the actual system calls (also known as kernel symbols) accessed by system utilities, leaving the system commands themselves unchanged. Needless to say, this is a very powerful technique.. This sophisticated on-demand build infrastructure automates the creation of LKM rootkits for different kernels and architectures as each LKM needs to be compiled for the particular kernel it’s intended to run on. rore via Flickr/Creative Commons “Unlike Windows, which has a stable kernel API allowing for the creation of code that is portable between kernel versions, the Linux kernel. In order to hide the presence of Knark from the insmod ( installed module ) command , the rootkit includes an additional LKM module . The system call table ( sys_call_table ) that is within the kernel memory is modified by Knark which then redirects some systems calls ( sys_read , sys_getdents ) to malicious system calls written by Creed. GitHub - N1et/lkm_rootkit: Rootkit Malware developed in C for Linux Kernel 2.6 README.md LKM Rootkit Malware Rootkit Malware developed in C for Linux Kernel old version. [studying reasons only.] Syshooks lib Bad Syscall hook sys_call_set create_sys_hook remove_sys_hook remove_all_sys_hook Default Hooks Hidden pid Hidden file Details. basics of adore (LKM) lets look at how we detect adore and other rootkits. Many rootkits hide processes, directories, files and even connections. But many of them do so by modifying the source code of binaries such as ps, df, netstat, top and lsof. There are a couple of ways to detect these types of rootkits (i.e. t0rn): 1) md5 checksums 2). Reptile is a LKM rootkit for evil purposes. If you are searching stuff only for study purposes, see the demonstration codes. Features: Give root to unprivileged users Hide files and directories Hide files contents Hide processes Hide himself Boot persistence Heaven's door - A ICMP/UDP port-knocking backdoor Client to knock on heaven's. 2009. 4. 7. · LKM 루트킷 탐지. 기존의 Rootkit 은 공격자의 프로세스, 디렉토리, 파일 그리고 접속 사실까지도 숨길 수 있다. 하지만 이들은 ps, df, netstat, top, lsof 와 같은 사용자 계층의 프로그램 코드를 변경하여 원하는 기능을 제공하는 것이다. 따라서 이러한 Rootkit 은 파일의. Search: Ubuntu Disable Kernel Module Signature Verification. Dec 18 13:02:31 ubuntu kernel: [ 8 2 In Ubuntu, Linux Mint Or Debian (Generate DEB Package) How To Change The GRUB Boot Order Or Default Boot Entry In Ubuntu, Linux Mint, Debian, Or Fedora With Grub Customizer; New Oracle Java 11 Installer For Ubuntu Or Linux Mint (Using Local Oracle Java There's a new way to read. Rootkits based on non-LKM Access kernel resource from userspace through some infrastructure of Linux, Mostly based on /dev/kmem and /dev/mem. Famous rootkit suckit 47. Written by Victor Mello is a kernel rootkit written in C that supports Linux Kernels 2.6.x/3.x/4.x. It can hide processes, files and directories. It works by hooking the sys_call_table, more specifically it hooks the kill, getdents and getdents64 syscall handler addresses, making them point to the Diaphormine code.

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Unfortunately, being a kernel module, an LKM rootkit can easily defeat such efforts by a variety of methods. Fortunately, there is a better way to detect an LKM rootkit: In order to replace kernel syscalls with their own code, LKM rootkits modify the table which holds the addresses of these syscalls, to point to the module's replacement function instead of the original kernel function.
basics of adore (LKM) lets look at how we detect adore and other rootkits. Many rootkits hide processes, directories, files and even connections. But many of them do so by modifying the source code of binaries such as ps, df, netstat, top and lsof. There are a couple of ways to detect these types of rootkits (i.e. t0rn): 1) md5 checksums 2)
2005. 8. 22. · LKM rootkits can make a system administrator’s life a nightmare. They are hard to detect, but using tools like kstat and understanding what the rootkit changes can make our life easier. Since tools like kstat are available, it would help systems administrators if they took a “picture” of the sys_call_table after a fresh install and any upgrades.
2013. 4. 4. · The rootkit module allocates a buffer for every terminal (i. e. multiple PIDs when multiple terminals) and sends them to the user (you). The data is then stored in your log file (path of the file depends on how you configure your syslog-ng server on your machine). To disable the keylogger, send. keyunlog.
That being said, if you actually do have an lkm rootkit installed, then you'll have to wipe the system, do a full reformat and reinstall from trusted media. You should also consider any other OS's on that system to be compromised as well. Once your system's security has been compromised, it can be extremely difficult to identify any other ...