Added more README overviews

miscellaneous/README.md

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+#Miscellaneous
+
+Many challenges in CTFs will be completely random and unprecedented, requiring simply logic, knowledge, and patience to be solved. There is no sure-fire way to prepare for these, but as you complete more CTFs you will be able to recognize and hopefully have more clues as to how to solve them.
+
+###Examples
+
+In recent CTFs the sheer variety of miscellaneous tasks has been highly exemplified, for example:
+
+* In the [Olympic CTF Sochi 2014](https://ctftime.org/event/130), there was [low-point miscellaneous challenge](https://github.com/ctfs/write-ups/tree/master/olympic-ctf-2014/crypting) which only provided a jumbled string of words. Instead of being a typical crypto challenge, the answer required competitors to draw out the word SOCHI on their keyboards.
+* [RuCTF](https://ctftime.org/event/122) had a challenge which presented a [single picture of shredded strips of paper jumpled up in a random order](https://github.com/ctfs/write-ups/tree/master/ructf-2014-quals/misc-100). The best way of solving this was by hand! No computer knowledge was even needed for its completion.
+
+##Sources/See More
+
+[CTF Write-Ups](https://github.com/ctfs/write-ups)
+
+[CTFTime Index](https://ctftime.org/ctfs)

reversing/README.md

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+#Reversing
+
+Reversing in the context of CTFs is usually the reverse engineering of software (executables/bin files) into assembly code and at times the original source to understand what is happening in a program, break a program (e.g. buffer overflows), or to decrypt encryptions done by a program.
+
+##Detection
+
+The easiest way to analyze a file for reversing is to use the `file` command in linux, which will tell you what any file is detected to be. For example most linux executables will be ELF files, while respective source files like `.c` or `.py` will be presented as their respective file-types.
+
+##Solution
+
+By far the most prominent tool for dealing with binaries is the tool [IDA](https://www.hex-rays.com/products/ida/). IDA is an extremely thorough tool which allows for a variety of interactions with binaries, but ultimately allows you to see the assembly for programs and how code blocks flow throughout a program.
+
+##Sources/See More
+
+[File command](https://unixhelp.ed.ac.uk/CGI/man-cgi?file)
+
+[IDA](https://www.hex-rays.com/products/ida/)

steganography/README.md

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+#Steganography
+
+Steganography [is the art or practice of concealing a message, image, or file within another message, image, or file](https://en.wikipedia.org/wiki/Steganography), and in the context of CTFs usually means finding the hints and flags that have been hidden with steganography. Most commonly a picture or image file will be given as a task with no further instructions, and the participants have to be able to uncover the message that has been encoded in the media.
+
+##Sources/See More
+[Steganography and Wikipedia](https://en.wikipedia.org/wiki/Steganography)