A simple modular tool for transforming data between several representations (hexa, octal, ascii, binary and more)
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lib
representations
.gitignore
LICENSE.txt
README.md
__init__.py
stringTransformer.py
test.txt

README.md

String Transformer

string transformer the transformation tool

The transformtion tool

Sometimes when you are playing CTFs you get an string and you need a fast way to generate its equivalents (hexa,octal,md5,etc) and analyze them. String transformer is a python script that takes an input (or list of inputs) and transforms them into several representations; please note that this tool is currently on development so expect a lot of changes and improvements.

Usage

stringTransformer v0.1 (https://github.com/alevsk/stringTransformer/)

Usage: stringTransformer.py -i INPUT_STRING | --input INPUT_STRING | --load FILE

Options:
  -h/--help             show this help message and exit
  -i/--input=INPUT      set the input string to test with
  -l/--load=LOAD_FILE   load list of input strings (one per line)
  -x/--exclude=EXCLUDE  exclude this representations
  -o/--only=ONLY        transform input only to this representations
  -O/--output=OUTPUT    generate an output file
  -p/--params=PARAMS    use custom parameters on transformation functions
  --list                list available input representations
  --update              update from the official git repository

Examples:
./stringTransformer.py -i [STRING]
./stringTransformer.py -i [STRING] --exclude "hexa, octal"
./stringTransformer.py -i [STRING] --only "hexa, octal"
./stringTransformer.py -i [STRING] --params "rot.cipher=13,rot.encoding=utf-8"
./stringTransformer.py --load list.txt
./stringTransformer.py --list

Extending the application

Transformation modules are located in representations folder. You can help extends the functionality of this tool by creating your own modules in a very simple way, first you need to create a new python class.

NOTE: you can use the following code as an example:

#!/usr/bin/env python -B
class module:
    def transform(self,input, parameters = {}):
        '''your transformation algorithm'''
        return  input

You must respect the following conventions:

  • Class name is the same as the file name
  • Class must have a function called transform that receive at least two parameters (self & input) and an optional third parameter (an object that serves as a parameter holder for customization)
  • transform function must return an string

ie: hexa module:

#!/usr/bin/env python -B
class hexa:
    def transform(self,input):
        return  "0x".join("{:02x} ".format(ord(c)) for c in input)

Reporting Issues

You can use the Issues section, I will be happy to improve the tool in every possible way

Contributing

Just submit a pull request. We can review and talk through it there. Feel free to ask any questions in issues or you can contact me on @Alevsk

License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.