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The first public release of Crack was version 2.7a, which was posted to the Usenet newsgroups alt.sources and alt.security on 15 July 1991. Crack v3.2a+fcrypt, posted to comp.sources.misc on 23 August 1991, introduced an optimised version of the Unix crypt() function but was still only really a faster version of what was already available in other packages.
The purpose of password cracking might be to help a user recover a forgotten password (due to the fact that installing an entirely new password would involve System Administration privileges), to gain unauthorized access to a system, or to act as a preventive measure whereby system administrators check for easily crackable passwords. On a file ...
A famous example of a zip bomb is titled 42.zip, which is a zip file of unknown authorship [4] consisting of 42 kilobytes of compressed data, containing five layers of nested zip files in sets of 16, each bottom-layer archive containing a 4.3-gigabyte (4 294 967 295 bytes; 4 GiB − 1 B) file for a total of 4.5 petabytes (4 503 599 626 321 920 ...
File archivers Data compression Shell integration Password protection Multiple volumes Self extraction File repairing Batch conversion Unicode file / directory names [a] Encryption Filename Encryption 7-Zip: Yes Yes Yes Yes Yes No Yes Yes Yes Yes ALZip: Yes Yes Yes Yes Yes Yes Yes [b] No Unknown Unknown Archive Manager: Yes Yes Yes Yes No ...
7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. [2] 7-Zip has its own archive format called 7z introduced in 2001, [12] but can read and write several others.
WinZip 1.0 was released in April 1991 as a graphical user interface (GUI) front-end for PKZIP. [5]Former WinZip icon. From version 6.0 until version 9.0, registered users could download the newest versions of the software, enter their original registration information or install over the top of their existing registered version, and thereby obtain a free upgrade.
Hydra can launch attacks on multiple targets at once using threads, called hydra heads. The tool keeps track of the threads using another structure, the hydra brain. Each target is attacked using a module that corresponds to a protocol(eg. if the target is an SSH server, the SSH module is used).
The self-extracting executable may need to be renamed to contain a file extension associated with the corresponding packer; archive file formats known to support this include ARJ [1] and ZIP. [ 2 ] [ 3 ] Typically, self-extracting files for Microsoft operating systems such as DOS and Windows have a .exe extension, just like any other executable ...