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    CyberChef The Cyber Swiss Army Knife [UK GCHQ Spook Toolkit]

    The Cyber Swiss Army Knife
    a web app for encryption, encoding, compression and data analysis

    [NOT FOR BEGINNERS, Sorry....]



    CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. These operations include simple encoding like XOR or Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.

    The tool is designed to enable both technical and non-technical analysts to manipulate data in complex ways without having to deal with complex tools or algorithms. It was conceived, designed, built and incrementally improved by an analyst in their 10% innovation time over several years. Every effort has been made to structure the code in a readable and extendable format, however it should be noted that the analyst is not a professional developer.

    Live demo
    CyberChef is still under active development. As a result, it shouldn't be considered a finished product. There is still testing and bug fixing to do, new features to be added and additional documentation to write. Please contribute!

    Cryptographic operations in CyberChef should not be relied upon to provide security in any situation. No guarantee is offered for their correctness.

    A live demo can be found here- have fun!

    How it works
    There are four main areas in CyberChef:


    • The input box in the top right, where you can paste, type or drag the text or file you want to operate on.
    • The output box in the bottom right, where the outcome of your processing will be displayed.
    • The operations list on the far left, where you can find all the operations that CyberChef is capable of in categorised lists, or by searching.
    • The recipe area in the middle, where you can drag the operations that you want to use and specify arguments and options.

    You can use as many operations as you like in simple or complex ways. Some examples are as follows:

    • Decode a Base64-encoded string
    • Convert a date and time to a different time zone
    • Parse a Teredo IPv6 address
    • Convert data from a hexdump, then decompress
    • Decrypt and disassemble shellcode
    • Display multiple timestamps as full dates
    • Carry out different operations on data of different types
    • Use parts of the input as arguments to operations
    • Perform AES decryption, extracting the IV from the beginning of the cipher stream




    • Save to file and load from file
      • You can save the output to a file at any time or load a file by dragging and dropping it into the input field. Files up to around 500MB are supported (depending on your browser), however some operations may take a very long time to run over this much data.

    • CyberChef is entirely client-side
      • It should be noted that none of your recipe configuration or input (either text or files) is ever sent to the CyberChef web server - all processing is carried out within your browser, on your own computer.
      • Due to this feature, CyberChef can be compiled into a single HTML file. You can download this file and drop it into a virtual machine, share it with other people, or use it independently on your local machine.

    Browser support
    CyberChef is built to support


    • Google Chrome 40+
    • Mozilla Firefox 35+
    • Microsoft Edge 14+

    Contributing
    An installation walkthrough, how-to guides for adding new operations and themes, descriptions of the repository structure, available data types and coding conventions can all be found in the project wiki pages.



    Licencing

    CyberChef is released under the Apache 2.0 Licence and is covered by Crown Copyright.



    I WILL NOT BE OFFERING ASSISTANCE WITH USE OF THIS SERVICE, CHECK THE WIKI PAGES LOCATED HERE

    CyberChef The Cyber Swiss Army Knife [UK GCHQ Spook Toolkit]
  2. Thanks Willy, Heilmann (2 members gave Thanks to Vengfull for this useful post)

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