Blocky – CTF challenge GP August ’21
The last challenge left for me to solve, is the "Blocky" challenge from the Misc category. This challenge comes with a ZIP-file. Firstly we inspect the downloaded file with file…
Encoding challenge – CTF challenge GP August ’21
The last challenge in the "Encoding" category is proudly named "Encoding challenge". With that challenge we are provided with a blob of data that presumably is encoded in some way.…
ZipFil – CTF challenge GP August ’21
Okay, soforth we have finished 7 challenges only leaving two challenges in the Misc- and one in the Encoding categories. After a good pause from the screen I'm again ready…
Shark Fail – CTF challenge GP August ’21
Taking a look on the challenges in the "Misc" category, they all seems interesting. But not giving a clear road to catch on. The last challenge in the category "Shark…
8208 – CTF challenge GP August ’21
The second challenge in the "Crypto"-category for the GuidePoint CTF august 2021 is a prime example, on why strong cryptographic is required for securing your Private/Public-key pairs. As a blue-team'er…
Twisting seA – CTF challenge GP August ’21
The first challenge in the "Crypto"-category of the GuidePoint CTF August 2021, is called "Twisting seA". We are asked to decipher the data provided: 617a316a5a6d526a4d44466c4f54526d5a4463794f4445354d5455354f444d77593255344e54646d597a45354d437870505446684f57526c5a6a6b344e57457a4d7a49334e6a59784d6d49314d6a4532596a5a6a5a6a4e6b4d5755344c4449774f5446685a444d325a444d324d574d344f475131597a4d794d444a6c4d7a5a6b4f546331595441314e4455314e5464694e4455775a44566d5a47466d5954466b4e6a49774e7a6c6d4d5749324e6a677a59544a6b4e574e6c595459335a5759774f47557a4d6d4533595445314f4755315932526b4d7a67304f44557a5a413d3d Okay, the data seems alphanumeric…
Secret Service – CTF challenge GP August ’21
The only challenge in the Web category "Secret Service" has a docker attached. After accessing the site 10.10.100.200:<port>, we see a website as shown in the image below. According the…
Baseic – CTF challenge GP August ’21
The second challenge in the "Encoding" category is called "Baseic". This challenge requires another decode with the provided data: 4YX1Cb6Q7vDq5bt3SiYsnCFq4Sp5bBbkYTdiFgtyCUkGhPeM5pVJy4g Funny how the challenge-name, when said out-loud is saying "Base…
Hexible – CTF challenge GP August ’21
The first real challenge at the GuidePoint CTF August 2021 I looked at, was "Hexible". With the "Hexible" challenge we are given a string to decode. 47%50%53%43%54%46%7b%30%65%32%38%33%64%64%37%64%63%37%63%31%64%38%62%39%66%37%38%65%61%31%36%62%30%32%62%32%30%38%33%7d To a start…
GuidePoint CTF challenge August 2021
Having a week off from work, I figured "Why the heck not? Let's try a CTF". Working in Cyber Security, I have had multiple hours at TryHackMe, working on gaining…