Linux, Windows, Security, Programming, Network Tutorials
MD5 is a checksum or hash calculation method for files. MD5 checksum consists of 128-bit value which is generally expressed as the hexadecimal format with which consist of 32 characters. MD5 Attributes MD5 is a cryptography algorithm which provides some attributes
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checksum is an function used to to calculated some value for given data. As we see check is used to check given data with calculated sum. Data may be little or very big like 1 MB, 10 MB etc. but the checksum
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Hash-based Authentication Message Code or HMAC is used to authenticate message with hash functions. Message authentication is important mechanism in cyber security and used to check message authenticity. There are different ways and mechanisms for Message Authentication. Message Message is
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Security is important part of the today IT and gains more respect from IT world. Hashing is a security measure to protect and check our data. In this tutorial we will look how to use hash with tables and strings.
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This is the most powerful cracking mode. Keep in mind that generally cracking will never end in this mode if there is no password because combinations are too large. Configurations about Incremental Mode can be found in configuration file [Incremental:MODE] section.
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As we stated before in single crack mode [List.Rules:Single] method of configuration file is used. In this mode login:password are cracked by using default password-list. Single Mode is much faster than Wordlist Mode. Linux Example We will crack linux passwords with Single
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Hackers preferred mode for tool usage is cli. John is developed for cli primarily. But there is also a gui part and can be installed like below. We named is johnny
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$ apt-get install johnny -y |
We can provide login and password hashes like
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John have a lot of different features and in order to configure these features it provides a lot of configuration options. In this tutorial we will look some of them. Getting Help There is two way to get help abut
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John can be run Unix,Linux,Windows,MacOS Platforms. Source code can be found at github. Debian,Ubuntu:
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apt-get install -y john |
Fedora:
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yum install -y john |
Windows: Here is the windows binaries. http://www.openwall.com/john/j/john180j1w.zip
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Windows operating system provides different ways to manage remote systems. Telnet, RDP, VNC are some of them. But these options are generally bound to a graphical user interface. If we prefer command line interface there is an alternative named Psexec.
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