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Category Archives: ctf
HackerOne 212 CTF Writeup
Long time everybody, I know I haven’t post in quite a lot of time but maintaining the blog in two languages takes more time that I expected I have more than a half a dozen posts half translated waiting for … Continue reading
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SECCON 2016 – Vigenere Crypto (100)
Following the SECCON writeups here is a crypto challenge. We get the following challenge. Vigenere k: ???????????? p: SECCON{???????????????????????????????????} c: LMIG}RPEDOEEWKJIQIWKJWMNDTSR}TFVUFWYOCBAJBQ k=key, p=plain, c=cipher, md5(p)=f528a6ab914c1ecf856a1d93103948fe |ABCDEFGHIJKLMNOPQRSTUVWXYZ{} -+—————————- A|ABCDEFGHIJKLMNOPQRSTUVWXYZ{} B|BCDEFGHIJKLMNOPQRSTUVWXYZ{}A C|CDEFGHIJKLMNOPQRSTUVWXYZ{}AB D|DEFGHIJKLMNOPQRSTUVWXYZ{}ABC E|EFGHIJKLMNOPQRSTUVWXYZ{}ABCD F|FGHIJKLMNOPQRSTUVWXYZ{}ABCDE G|GHIJKLMNOPQRSTUVWXYZ{}ABCDEF H|HIJKLMNOPQRSTUVWXYZ{}ABCDEFG I|IJKLMNOPQRSTUVWXYZ{}ABCDEFGH J|JKLMNOPQRSTUVWXYZ{}ABCDEFGHI K|KLMNOPQRSTUVWXYZ{}ABCDEFGHIJ L|LMNOPQRSTUVWXYZ{}ABCDEFGHIJK … Continue reading
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SECCON 2016 – Memory Analysis Forensic (100)
As I told you before we didn’t have too much time to participate in this CTF so this will be the last writeup I can give you of the challenges we solved. We get the following challenge: Memory Analysis Find … Continue reading
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SECCON 2016 – VoIP Forensic (100)
This year we have some time problems in the Shellwarp team to participate in the SECCON’s CTF (http://2016.seccon.jp/), only Patatas (team member) and me had some time to check and solve a few of them. But as we can learn from … Continue reading
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CTF Mugardos 2015 Writeup – Forensic
Statement: This cursed image 100 points I know I put it somewhere, but where.. File for the challenge: https://mega.nz/#!YcBw2A4K!jUqgKnf5YZhmjZtpNEH7jM3h2rQ4KyvrOiBaLYmdWys Key format: – SHA256 of the key – No spaces – Uppercases, lowercases, numbers and special characters exactly as they appear in … Continue reading
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CTF Mugardos 2015 Writeup – Stego200
Statement: AM 200 points Now seriously, when it comes to listen to music, nothing better than the radio, or not? Maybe we are too nostalgic. Format of the answer: – Uppercase and lowercase as they appear in the flag – … Continue reading
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CTF Mugardos 2015 Writeup – Crypto100
And lets reopen the blog with the first writeup of the CTF that took place in 2015 at the Kernel in Mugardos. Statement: When does the trope open? 100 points When does the trope open? I wanna dance! Format of … Continue reading
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