Team More Smoked Leet Chicken proudly presentsCraptography Awards «You suck at crypto — we have an award for you!» Today’s Nominees
Tag: crypto
Nov 19
PoliCTF 2012 Crypto 500
Hensel and Gretel are looking for their new house, but the twisted seller who sold it to them decided to provide the coordinates to their new love nest only after ensuring that the couple is Smart enough to earn them. Thus, the seller provides them with the following map and leaves Hensel and Gretel to …
Nov 19
PoliCTF 2012 Crypto 100
Since I needed to sign a document I thought about doing it with a Chinese paintbrush… Too bad my hand is not that steady, so just in case, I re-signed it with a common pen. Sadly I keep being forgetful, so I actually forgot where I left the two halves of the sigil I used …
Nov 13
Dobbertin Challenge 2012
The Dobbertin Challenge is issued every two years since 2006, in honor and memory of Prof. Hans Dobbertin. http://cryptochallenge.nds.rub.de:50080/ A simple JSON Web Service is provided, which processes PIN codes of users. A user can send his encrypted PIN to the Web Service, which decrypts and stores the PIN. The Web Service allows to use …
Nov 04
Hack.lu 2012 CTF Challenge #12 (500)
The famous zombie researcher “Donn Beach” almost created an immunization against the dipsomanie virus. This severe disease leads to the inability to defend against Zombies, later causes a complete loss of memory and finally turns you into one of them. Inexplicably Donn forgot where he put the license key for his centrifuge. Provide him a …
Oct 27
Hack.lu 2012 CTF Challenge #25 (200)
Heading up the steeple gave you and your companion a nice view over the outbreak situation in your city. But it also attracted a lot of unwanted attention. Zombies are surrounding your spot and are looking for an entrance to the building. You obviously need some bait to lure them away so you can flee …
Oct 26
Hack.lu 2012 CTF Challenge #3 (450)
3 – Zombies like PPTP Our intel shows us that the Zombies use a MS-PPTP like protocol and luckily we could intercept a challenge-response transmission of one of the Zombie outposts. The important thing for Zombies in this war is mass! Not only brain mass but their mass. So they built their PPTP protocol compatible …
Oct 25
Hack.lu 2012 CTF Challenge #4 (250)
4 – Reduced Security Agency Some of our guys broke into the Reduced Security Agency and stole the source of their highly secure login system. Unfortunately no one of them made it uninfected back and so we only have a part of the source. Now it’s your turn to break their system and login to …
Oct 04
Announcing hackyou CTF
It’s fall already and that means the new CTF season is starting, and so is the new academic year in our university. This is the time when we want to attract more freshmen into our CTF tarpit ;-D So we are running – a CTF. But it’s not just for them. Wouldn’t it be fun …
May 01
PlaidCTF 2012 – RSA [200] (Password Guessing)
We recently intercepted a plethora of robot transmissions but they are all encrypted with some strange scheme we just can’t quite figure out. Can you crack it? Summary: small public exponent: 3
May 01
PlaidCTF 2012 – Encryption Service [300] (Password Guessing)
We found the source code for this robot encryption service, except the key was redacted from it. The service is currently running at 23.21.15.166:4433 Summary: IV predict, byte-by-byte bruteforce
May 01
PlaidCTF 2012 – Nuclear Launch Detected [150] (Password Guessing)
Our spies intercepted communications and a file between 5 of the top 10 robo-generals and their nuclear bomb server. We must recover the final launch code from the 5 robo-general’s secret codes, so we can stop the detonation! Summary: Shamir’s Secret Sharing
Feb 13
IFSF CTF Small Challenges (#4, #5, #6, #14, #15)
Contents #4 ER #5 Change #6 Call me #14 Seek me #15 Embedded docs
Jan 30
Gits 2012 # – Crypto 400
files running at hellothere.final2012.ghostintheshellcode.com Summary: MITM attack