The blog contains information about different types of viruses and properties of viruses.
Showing posts with label rootkit. Show all posts
Showing posts with label rootkit. Show all posts
Monday, July 27, 2009
RootkitRevealer
Now its time to look in to the software section. Let us see about a small software called RootkitReaveler. The software doesn't need to be installed, just double click on the icon and just agree the term and conditions, the software is ready to use. It is designed to run on Windows NT or higher editions of Windows. RootkitRevealer is an advanced rootkit detection utility and its output lists Registry and file system API discrepancies that may indicate the presence of a user-mode or kernel-mode rootkit.RootkitRevealer is capable of detecting many persistent rootkits including AFX, Vanquish and HackerDefender. RootkitRevealer is not intended to detect rootkits like Fu that don't attempt to hide their files or registry keys. Since persistent rootkits work by changing API results so that a system view using APIs differs from the actual view in storage, RootkitRevealer compares the results of a system scan at the highest level with that at the lowest level. The highest level is the Windows API and the lowest level is the raw contents of a file system volume or Registry hive. A hive file is the Registry's on-disk storage format. Thus, rootkits, whether user mode or kernel mode, that manipulate the Windows API or native API to remove their presence from a directory listing, for example, will be seen by RootkitRevealer as a discrepancy between the information returned by the Windows API and that seen in the raw scan of a FAT or NTFS volume's file system structures. You can download it from http://filehippo.com/download_rootkit_revealer/tech/

Thursday, May 14, 2009
Want to know about Rootkits ?
You may noticed that while you perform scan for the virus with an anti virus software, it may sometimes display Rootkits found. Want to know about the Rootkits? Here is a small description about the Rootkits. Rootkit is a software which is a program or a combination of more programs that are designed to hide the fact that a system has been compromised. The rootkits are to be installed by the attacker in the target machine phisically by himself or by exploiting the system vulnerabilities. Once the rootkit is installed in the target system, the attacker can modify the system files and hide the running process of the attacker installed files. The rootkits often forms a back door in the system allowing the attacker to steal the data from the system without knowing the user.
Actually Rootkits are evolved as a software to handle the system when the system falls in to a non-responsive state. Later the hackers have turned this to a malware. The applications which creates the virtual devices like Demon Tools uses the Rootkits to hide certain system activity and to supress certain process of the system. The Kaspersky antivirus uses the rootkits to hide and protect their files from the attack of the malwares.
Most antiviruses are not capable of finding the rootkits. Even some of the antiviruses found certain types of rootkits, they cannot find all types of the Rookits. Fortunatley softwares for finding the Rootkits (like Rootkit Revealer) are available in the market for finding and deleting the Rootkits. Most of the Rootkits are installed in the target machine by the user in the form of patch or key generator. Lots of Rootkits are available in the internet for downloading. If you want one visit: http://vx.netlux.org/.
Actually Rootkits are evolved as a software to handle the system when the system falls in to a non-responsive state. Later the hackers have turned this to a malware. The applications which creates the virtual devices like Demon Tools uses the Rootkits to hide certain system activity and to supress certain process of the system. The Kaspersky antivirus uses the rootkits to hide and protect their files from the attack of the malwares.
Most antiviruses are not capable of finding the rootkits. Even some of the antiviruses found certain types of rootkits, they cannot find all types of the Rookits. Fortunatley softwares for finding the Rootkits (like Rootkit Revealer) are available in the market for finding and deleting the Rootkits. Most of the Rootkits are installed in the target machine by the user in the form of patch or key generator. Lots of Rootkits are available in the internet for downloading. If you want one visit: http://vx.netlux.org/.
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