CTF Archive
Theme
Language
BackdoorCTF · CTF Archive
All CTFs
BackdoorCTF
5 editions
·
156 challenges
·
2019–2025
View on GitHub
2025
2024
2023
2022
2019
Average
—
/5
Vote and rate each challenge below.
2025
43 challenges
CTFtime
crypto
8
Ambystoma_Mexicanum
0
0
Ambystoma_Mexicanum_Revenge
0
0
bolt_fast
0
0
bread_vs_keys_v1
0
0
lcg_2
0
0
m4candch3353
0
0
p34kC0nj3c7ur3
0
0
The_Job
0
0
forensic
6
Complete_Chaos
0
0
exp_golomb
0
0
Fractonacci
0
0
Kiidddoooo
0
0
Sonic
0
0
Terrific_Transformer
0
0
misc
3
404_Friend_Not_Found
0
0
Mizuhashi_Simple_Domain
0
0
Title_Decider
0
0
pwn
9
Aladdin_ka_Chirag
0
0
Devils_Convergence
0
0
Gamble
0
0
Lolimancer
0
0
Makeine
0
0
Santas_Workshop
0
0
skernel
0
0
The_Last_Duel
0
0
vibe_kode
0
0
rev
10
Backdoor
0
0
Easy_Crackme
0
0
Infinity
0
0
mazerunner
0
0
Not_so_easy
0
0
SIMD_Highway
0
0
The_Stage
0
0
To_jmp_or_not_jmp
0
0
Vault
0
0
Where_code
0
0
web
7
Flask_of_Cookies
0
0
Go_Touch_Grass
0
0
Image_Gallery
0
0
MarketFlow
0
0
MCP_Mayhem
0
0
Shop_of_life
0
0
Trust_Issues
0
0
2024
35 challenges
CTFtime
blockchain
4
Betray_your_master
0
0
Curvy_Pool
0
0
EasyPeasyLemonSqueezy
0
0
Puffer_Mint
0
0
crypto
7
A_Complex_Shamir
0
0
AESwap
0
0
Crazy
0
0
Hashing_Frenzy
0
0
I_Like_McDonalds
0
0
Secure_Nonsense
0
0
Time_to_Break_Up
0
0
forensic
5
American_Spy
0
0
Cursed_Credential
0
0
My_bosss_bosss_boss
0
0
Roman_Xor.png
0
0
Torrent_Tempest
0
0
misc
2
Decompressor
0
0
Multi_Image
0
0
pwn
5
Dragons_Shield
0
0
Happy_Golfing
0
0
Kuwu
0
0
Merry_Christmas
0
0
V8box
0
0
rev
7
Annoying
0
0
Between_Two_Worlds
0
0
GoBlind
0
0
Impossible...Right
0
0
Mario_lite
0
0
Ratatouille
0
0
Wabi_Sabi
0
0
web
5
Cascade_Chaos
0
0
Cascade_Chaos_Revenge
0
0
Christmas_Cookie
0
0
Juggernaut
0
0
Sand_Notes
0
0
2023
43 challenges
CTFtime
blockchain
2
BabyBlackjack
0
0
VulnChain
0
0
crypto
9
ColL3g10n
0
0
Curvy_Curves
0
0
Knapsack
0
0
ProveMeWrong
0
0
PRSA
0
0
Rebellious
0
0
Safe_Curvy_Curve
0
0
Secure_Matrix_Transmissions
0
0
Secure_Matrix_Transmissions_v2
0
0
forensic
3
Drunk
0
0
Forenscript
0
0
Sonic_Hide_and_Seek
0
0
misc
13
Beginner_menace
0
0
Cheat_Code
0
0
Escape_The_Room
0
0
Fruit_Basket
0
0
halo_jack_again
0
0
Headache
0
0
Indecipherable_image_or_is_itq
0
0
Marks
0
0
mini_RSA
0
0
mini_RSA_v2
0
0
Not_So_Guessy
0
0
secret_of_j4ck4l
0
0
Something_in_Common
0
0
pwn
6
Baby_Formatter
0
0
EmpDB
0
0
Konsolidator
0
0
Master_Formatter
0
0
Master_Formatter_v2
0
0
Pizzeria
0
0
rev
7
baby_eBPF
0
0
Blowcode
0
0
Gotta_Go_Fast
0
0
Hiashi_of_the_shades
0
0
Open_Sesame
0
0
Secret_Door
0
0
Sl4ydroid
0
0
web
3
armoured_notes
0
0
php_sucks
0
0
too_many_admins
0
0
2022
14 challenges
CTFtime
crypto
4
Fishy
0
0
Morph
0
0
RandomNonsense
0
0
WhatTheCure
0
0
pwn
4
babystl
0
0
HouseofMagic
0
0
susalloc
0
0
toddlerVM
0
0
rev
3
5p4gh3tt1
0
0
MazeRunner2.0
0
0
YameteKudasai
0
0
web
3
circles
0
0
fl4sh
0
0
S3KSU4L_INJ3C710N
0
0
2019
21 challenges
CTFtime
misc
21
Baby_Heap
0
0
Baby_Tcache
0
0
BabyROP
0
0
bossfight
0
0
ECHO
0
0
EntertheMatrix
0
0
FUNSIGNALS
0
0
I-GOT-BEEF
0
0
MiscPwn
0
0
PWN-EASY
0
0
Reallocator
0
0
SHELTER
0
0
TEAM
0
0
Weekly1Challenge1
0
0
Weekly1Challenge2
0
0
Weekly1Challenge3
0
0
Weekly1Challenge4
0
0
Weekly3Challenge1
0
0
Weekly3Challenge2
0
0
Weekly3Challenge3
0
0
Weekly3Challenge4
0
0