Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, reversing, re, python
solves : 228
Points: 40
Written by boomo
I tried creating my own chords, but my encoded sheet music is a little hard to read. Please play me my song!
chord_encoder.py
Hint: Pathfinding? I just need some sick jams B)
We have three files:
A 0112
B …Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, cryptography, rsa, rsactftool, python
solves : 415
Written by boomo
I was just listening to some relaxing ASMR when a notification popped up with this.
???
Hint: It's easy as R-S-A! Wait..
We have this informations:
n=57772961349879658023983283615621490728299498090674385733830087914838280699121
e=65537
c=36913885366666102438288732953977798352561146298725524881805840497762448828130
Ok, it's RSA. The challenge name and the informations confirm it. We can …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, miscellaneous, misc, python, script, zip
solves : 255
Points: 70
Written by agcdragon
My friend changed the password of his Minecraft account that I was using so that I would stop being so addicted. Now he wants me to work for the password and sent me this zip file. I tried unzipping the folder, but it …Posted on mer. 26 février 2020 in CTF • Tagged with hack, learn, ctf, pragyan, cryptography, 2020, flagoverbeer, ascii, python
solves : 123
Decode this
8951116499911082102898878115975057102908657109985070102908786108885053110907210811910072108102908710451975182112885057105102816161
Since it's ASCII, we need to create correct value in order to process it.
import base64
decode = "8951116499911082102898878115975057102908657109985070102908786108885053110907210811910072108102908710451975182112885057105102816161"
asci = []
x = 0
while x < len(decode):
if int(decode[x]) == 1:
asci.append(chr(int(decode[x] + decode[x+1] + decode[x+2])))
i = 3
else …Posted on mer. 26 février 2020 in CTF • Tagged with hack, learn, ctf, pragyan, cryptography, 2020, python, padding, bruteforce, flagoverbeer
AskTheOracle (150pts)
Mr Robot has worked all night to find the Cipher "TIe8CkeWpqPFBmFcIqZG0JoGqBIWZ9dHbDqqfdx2hPlqHvwH/+tbAXDSyzyrn1Wf" then he faints of Overdose.You are left with a challenge to get the key to the database before EVIL CORP starts backing up the data.
nc ctf.pragyan.org 8500
P.S- After solving you …Posted on jeu. 06 février 2020 in CTF • Tagged with hack, learn, ctf, hacktm, quals, 2020, web, python, thread, concurrence
solves : 70
My Bank
280 Points
Who's got my money?
Please abstain from brute-forcing files.
http://178.128.175.6:50090/
Author: nytr0gen
We got a URL who is a login page.
We can put any login to the field and we get redirect to the default page. This …
Posted on sam. 25 janvier 2020 in CTF • Tagged with hack, learn, ctf, rtcp, rice, tea, cat, panda, reverse, python, script, ghidra, IDA
solves : 138
Point : 1500
I think my ls is being haunted... the colors are all weird!!! What's that? It's highlighting things?! Where!!?
Hint: Flag is 100 characters long. It starts with rtcp{ and ends with }. The first character is w
Hint 2: The flag is written in standard …Posted on mar. 31 décembre 2019 in CTF • Tagged with hack, learn, ctf, santhacklaus, crypto, python, hashlib, aes, ecb, cbc
solves : 57
One of our VIP clients, who wishes to remain anonymous, has apparently been hacked and all their important documents are now corrupted.
Can you help us recover the files? We found a strange piece of software that might have caused all of this.
MD5 of the file : ccaab91b06fc9a77f3b98d2b9164df8e …Posted on sam. 19 octobre 2019 in CTF • Tagged with hack, learn, ctf, forensic, writeup, miscellaneous, python, jail, pyjail, ecw
Le but d'une jail, c'est de s'en échapper et d'accéder au flag avec les seules fonctions, méthodes ou autres que nous avons à notre disposition. Cette jail est faite en Python3 et nous devons retrouver le flag avec les accès qu'elle nous laisse avoir.
ssh -p 10022 tete2soja@challenge-ecw.fr …Posted on dim. 07 juillet 2019 in CTF • Tagged with hack, learn, ctf, lehack, python, crackme, reverse
File : checkme.py
my first crackme
5 Points
Tu dois trouver le mot de passe qui valide le script python!
Url: https://static.wargame.rocks/checkme.py
On a un seul fichier qui est un script Python. On l'ouvre donc avec notre éditeur de texte préféré (vim for ever <3 …