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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. [1]
Typically, a root shell is aimed for, which grants administrative privileges, to let the user modify operating system files. Root access can be obtained through the use of software exploits (i.e. bugs), through the bootloader console, or over a serial port embedded in the device, such as a JTAG or UART interface. [1]
View of the root directory in the OpenIndiana operating system. In a computer file system, and primarily used in the Unix and Unix-like operating systems, the root directory is the first or top-most directory in a hierarchy. [1] It can be likened to the trunk of a tree, as the starting point where all branches originate from.
The core dump file would have been placed at the program's current directory, that is, /etc/cron.d, and cron would have treated it as a text file instructing it to run programs on schedule. Because the contents of the file would be under attacker's control, the attacker would be able to execute any program with root privileges.
File sharing is the practice of distributing or providing access to digital media, such as computer programs, multimedia (audios, photos and/or videos), program files, documents or electronic books/magazines. It involves various legal aspects as it is often used to exchange data that is copyrighted or licensed.
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By Andy Sullivan. WASHINGTON - President-elect Donald Trump has said he might install his picks for top administration posts without first winning approval in the U.S. Senate.
Sony BMG initially denied that the rootkits were harmful. It then released an uninstaller for one of the programs that merely made the program's files invisible while also installing additional software that could not be easily removed, collected an email address from the user and introduced further security vulnerabilities.