TJCTF2020
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020
I finish 58th (868 people who mark at least 5 point) with 980 points.
Cryptography
Web
Reverse
Forensics
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Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020
I finish 58th (868 people who mark at least 5 point) with 980 points.
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, web, xss, filtered, escape, js, encode
solves : 72
Points: 100
Written by avz92
See if you can get the flag from the admin at this website!
Hint: The admin can see something you can't. Check the page source.
After create a new account, we can create a text to share it with everyone.
It's like …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, miscellaneous, misc
solves : 67
Points: 40
Written by jpes707
So many sounds...
Hint: Listen to all the sounds. Which sound could possibly be used to encode a message?
We have a strange mp3 file with a lot of different sounds and we need to find the one.
Around 1:02 …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, miscellaneous, misc
solves : 269
Points: 30
Written by avz92
My friend has some top-secret government intel. He left a message, but the government censored him! They didn't want the information to be leaked, but can you find out what he was trying to say?
nc p1.tjctf.org 8003
Ok, no …
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, crypto, cryptography, font
solves : 261
Points: 10
Written by jpes707
Some typefaces are mysterious, like this one - its origins are an enigma wrapped within a riddle, indeed.
Hint: To obtain the flag, you should find the font that was used to encode the message in the picture. If you Google the description of …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, web, php, lfi, rfi
solves : 257
Points: 70
Written by saisree
So I've been developing this really cool site where you can read text files! It's still in beta mode, though, so there's only six files you can read.
Hint: The flag is in one directory somewhere on the server, all …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, reversing, re, ida, ghidra, c, asm
solves : 382
Points: 20
Written by agcdragon
Aneesh wants to acquire a summer bod for beach week, but time is running out. Can you help him create a plan to attain his goal?
nc p1.tjctf.org 8008
We have a small game. The goal is to loose 31 …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, forensics
solves : 206
Points: 25 points
Written by jpes707
I recently designed a new flag for my imaginary nation, Hexistan. Do you like it?
The name gives us a hint: Hex
. We have 7 differents colors in the pictures. Let's get the hexa code for each one: 746a6374667b70594a7266514b306462615450477d
.
We have a …
Posted on mar. 02 juin 2020 in CTF • Tagged with hack, learn, ctf, tjctf, 2020, crypto, cryptography, xor, binary, file
solves : 123
Points: 50
Written by KyleForkBomb
Is this crypto?
Hint: The message is entirely printable characters
We have a file with strange text inside:
גפעהדפ±ע��
We don't have any clue about this file and cipher used. CyberChef maybe can do some magic:
Oh! And it detects …