PHP : Winning the race against PHP (alternative way to easy_php @ N1CTF2018)

php, web security, ctf, race condition, exploit, md5, hash collision, c1ctf2018

DC5561 CTF 2017 : crypto800-poem

cryptography, reverse engineering, stream cipher, python, ctf, dc5561

SHX11 : stego200-brazil_icon

steganography, shx11, ctf

SHX10 : web200-read_my_email

shx10, web security, django, code leak, debug, stream cipher, ctf

SHX10 : misc100-thx

python, shx10, pil, programming, image manipulation, ctf

CryptoRave 2017: web200-bugpress

web security, cryp70ch4052k17, cryptorave 2017, phpmailer, wordpress, 0day, ctf

SHX9 : for200-basic_auth

forensics, shx9, wpa-psk, bruteforce, 802.11, wifi cracking, ctf

SHX7 : for300-go_deeper

shx7, forensics, volatility, keepass2, memory dump, ctf

SHX8 : web200-freelyrics

shx8, bruteforce, nozzlr, wordpress, web security, ctf

SHX8 : pwn100-basic_understanding

reverse engineering, pwn, shx8, format string, memory leak, ctf

TAMUctf 2017 : pwn150-pwn3

tamuctf2k17, reverse engineering, pwn, rop, format string, ctf

TAMUctf 2017 : pwn200-pwn4

tamuctf2k17, reverse engineering, pwn, rop, buffer overflow, ctf

TAMUctf 2017 : pwn100-pwn2

tamuctf2k17, reverse engineering, pwn, buffer overflow, rop, ctf

TAMUctf 2017 : pwn50-pwn1

reverse engineering, pwn, tamuctf2k17, memory corruption, buffer overflow, ctf

Nuit du Hack quals 2017 : web100-slumdog_millionaire

python, programming, ndhquals2k17, web security, ctf

SHX5 : rev200-lil_arm

shx5, reverse engineering, arm, aarch64, bruteforce, ctf

SHX5 : rev400-again

reverse engineering, shx5, keygen, bruteforce, ctf

Nullcon HackIM 2017 - prog300-jio-geo_challenge

programming, python, hackim2017, ip spoofing, ctf

Carnaval hacking 2017 : prog200-give_life_to_the_letters

programming, python, shcarnaval2k17, game of life, ctf

BSides SF 2017 : Zumbo 1 2 and 3

bsidessf2017, flask, jinja2, template injection, web security, ctf

AlexCTF 2017 : rev100-c++_is_awesome

alexctf2k17, reverse engineering, bruteforce, ctf

AlexCTF 2017 : crypto200-poor_rsa

alexctf2k17, cryptography, rsa, poor encryption, small primes, ctf

AlexCTF 2017 : crypto150-what_is_this_encryption

alexctf2k17, cryptography, rsa, egcd, extended euclidean algorithm, ctf

AlexCTF 2017 : crypto100-many_time_secrets

cryptography, alexctf2k17, otp, one time pad, ctf

SHX2 : net100-get_out

shx2, pwn, networking, ssh, ctf

SHX2 : crypto100-ancient_code

cryptography, guessing, shx2, anagram, ctf

Insomini'hack 2017 : web50-smarttomcat

ins17, apache, tomcat, amazon, ec2, web security, ctf

Insomini'hack 2017 : crypto50-cryptoquizz

guessing, programming, python, cryptography, ins17, ctf

3DSCTF 2016 : pwn200-not_the_same

3dsctf-2k16, reverse engineering, pwn, python, buffer overflow, rop, ctf

SHX1 : pwn300-bubble_bass

cryptography, programming, shx1, shellterlabs, python, pickles, ctf

3DSCTF 2016 : prog200-different_and_notorious_alignment

3dsctf-2k16, guessing, programming, python, ctf

3DSCTF 2016 : prog100-alien_dna1

3dsctf-2k16, guessing, programming, python, ctf

33C3CTF : web200-pay2win

33c3ctf, pwn, web security, ctf

3DSCTF 2016 : pwn200-getstarted

reverse engineering, pwn, 3dsctf-2k16, buffer overflow, rop, ctf

3DSCTF 2016 : web200-mapos

pwn, 3dsctf-2k16, bruteforce, patator, web security, ctf

3DSCTF 2016 : stego300-simone_entao_e_natal

steganography, file carving, 3dsctf-2k16, ctf

3DSCTF 2016 : misc100-base3200

3dsctf-2k16, cryptography, python, ctf

3DSCTF 2016 : crypto100-cryptomaster

cryptography, 3dsctf-2k16, guessing, python, ctf

3DSCTF 2016 : rev100-warmup

reverse engineering, 3dsctf-2k16, python, binary patching, ctf

3DSCTF 2016 : crypto100-hotsun

guessing, cryptography, 3dsctf-2k16, python, ctf