📝 💊 Add authors of repo-local writeups for securinets-ctf-2015

Author: YASME-Tim

securinets-ctf-2015/crack/reverse/README.md

@@ -11,6 +11,8 @@
 
 ## Write-up
 
+by [Freddrickk](https://github.com/Freddrickk)
+
 That's my first write-up ever, so I apologize in advance if this is a bit clumsy.
 
 What we have here is an ASPack packed binary. Usually, the proper way to solve a packed

securinets-ctf-2015/forensics/document/README.md

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 ## Write-up
 
+by [shikata-ga-nai](https://github.com/shikata-ga-nai)
+
 We are given with file, which we can discover with Unix "file" command, happens to be RAR archive. Firstly we unrar it. We get a folder with 3 folders and 1 file inside. Folders: word, docProps, customXml. File: [Content_Types].xml. Word folder gives us a clue that it might be a word document, which is basically a zipped archive of mentioned folders and that file above. Thus, we zip-archive the folder and give it .docx extension. After that we can open the file, for example, in Google Drive (https://docs.google.com/document/d/1aV4tQvcVd6BULTrHQpE-JiJG57KAFG9NVku7K2oReZI)  and get the flag. 
  Flag= D3_R13N_ChA113Ng3R_
 

securinets-ctf-2015/forensics/forensics2/README.md

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 ## Write-up
 
+by [polym](https://github.com/abpolym)
+
 We are given a rar that we extract to find two files, `SAM` and `SYSTEM`:
 
 ```bash

securinets-ctf-2015/stegano/basics/README.md

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 ## Write-up
 
+by [polym](https://github.com/abpolym)
+
 We are given a PNG file:
 
 ![](./steg.png)

securinets-ctf-2015/stegano/broken/README.md

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 ## Write-up
 
+by [polym](https://github.com/abpolym)
+
 We are given a ''broken'' QR code:
 
 ![](Broken.jpg)

securinets-ctf-2015/stegano/google/README.md

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 ## Write-up
 
+by [polym](https://github.com/abpolym)
+
 This write-up is loosely based on a writeup by [ipushino](http://ipushino.blogspot.de/2015/03/securinets-ctf-2015-stegano-google.html).
 
 We are given a PNG that display the Google Home Page:

securinets-ctf-2015/web/cookies/README.md

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 ## Write-up
 
+by [polym](https://github.com/abpolym)
+
 We look at out cookies and see several cookies of similar length and one cookie that does stand out:
 
 ![](cookies.png)