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some small fixes
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63 changed files with 8 additions and 19 deletions
CTFs_and_WarGames
2014-CSAW-CTF
README.md
CTFs-TRIVIA-COLLECTION.mdLICENSEREADME.mdcryptography
README.md
crypto-200
forensics
README.md
big-data
fluffy
CSAW2014-FluffyNoMore-v0.1.tar.bz2README.mdanalytics.jsannouncemen.pdfhtml5.jspdf-parser.pyunpacked.txt
obscurity
why-not-sftp
networking
reverse-engineering/eggshells-100
WARGAMES
Steganography/xor_image_broken
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@ -1 +1,8 @@
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My resources and source codes.
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# CTFs, Wargames, Gray Hacker & PenTesting
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All in one big bag.
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More [here].
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[here]: https://gist.github.com/bt3gl/8e3aa9538d6122f74274
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@ -1,18 +0,0 @@
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from PIL import Image
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img = Image.open('steg100.png')
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strbit1 = ''
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for y in range(0, img.size[1], 19):
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for x in range(0, img.size[0], 19):
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print img.getpixel((x, y))
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print r
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strbit1 += str(r & 1)
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strbit2 = ''
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for y in range(171, 171 + 19):
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for x in range(171, 171 + 19):
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a = img.getpixel((x, y))
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strbit2 += str(a & 1)
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xored = ''.join(str(int(A) ^ int(B)) for A, B in zip(strbit1, strbit2))
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print ''.join(chr(int(xored[i:i + 8], 2)) for i in range(0, len(xored), 8))
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