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redpwnCTF 2020

June 29, 2020 · 1 min · Me

redpwnCTF 2020 Crypto

pseudo-key Category: Crypto Points: 341 Description: Keys are not always as they seem… Note: Make sure to wrap the plaintext with flag{} before you submit! Author: Boolean Given: pseudo-key-output.txt && Writeup First thing I do here is look at the files given to us. Looks like we are given the ciphertext and some “pseudo-key”. Ciphertext: z_jjaoo_rljlhr_gauf_twv_shaqzb_ljtyut Pseudo-key: iigesssaemk From the program itself, it looks like our ciphertext is encrypted with some key, but we are given the key encrypted with itself....

June 29, 2020 · 15 min · Me

redpwnCTF 2020 Misc

uglybash Category: Misc Points: 359 Description: This bash script evaluates to echo dont just run it, dummy # flag{…} where the flag is in the comments. The comment won’t be visible if you just execute the script. How can you mess with bash to get the value right before it executes? Enjoy the intro misc chal. Author: arinerron Given: Writeup When looking at the file, we see a bunch of gibberish bash....

June 29, 2020 · 3 min · Me

redpwnCTF 2020 Web

static-pastebin Category: Web Points: 373 Description: I wanted to make a website to store bits of text, but I don’t have any experience with web development. However, I realized that I don’t need any! If you experience any issues, make a paste and send it here ( Site: Note: The site is entirely static. Dirbuster will not be useful in solving it. Author: BrownieInMotion Writeup The first thing I do is check out both websites....

June 29, 2020 · 5 min · Me