i want to create c script extract encrypt package. just can open it in hex editor to view and need knowledge and technique for write script for extract it. Script will work in command-line ( window 10 ). I want to training my hex reversing skill. First, what need to look? Two, how to read? what is string,offset, byte, bit and how to know it in hex read? HOW THe SCRIPT RUN AND EXTRACT FILE? How do those words in script relate to numbers? How to find those word for script? where i can learning it? kind of patched number? I need all answer. If have any tutorial , please share me link . Also, i want to find best forum, no matter Russian or US, France. this is hex reverse engineering. please help.
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We call it data (file format) reverse engineering but, it is also bounded with software reverse engineering because you need to examine (if you have) actual software which creates, edits, extracts this file-type. Reverse Engineering Stack Exchange is not a forum but, it is most helpful community i have ever seen. Also, just a few active forums discuss reverse engineering topics and they expect you know some basics about this field. Most people don't want to help step to step reverse engineering to somebody. For resources i can recommend you Reversing: Secrets of Reverse Engineering to start. It discuss theoretical basics and practical examples of reverse engineering including your needs.