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kkapitan
5th
Place
13,010
Points
70
Solves
Beginner Tutorial
Cryptography
Miscellaneous
Networking
Pwnable
Reversing
Web
Pwn280
Empty Read
solved 916 days ago
MISC250
Leaky Libraries
solved 916 days ago
Web335
Meme upload service
solved 1106 days ago
REV185
Flag Errata
solved 1107 days ago
CRYPTO270
The flag HMAC
solved 1122 days ago
Web275
The Flag API key
solved 1123 days ago
BEGINNER15
Discuss and learn
solved 1123 days ago
REV190
Angr-y Binary
solved 1123 days ago
REV230
The Flag Safe
solved 1124 days ago
MISC200
Completely Turing
solved 1124 days ago
MISC210
Constant Backup Policies
solved 1128 days ago
MISC205
Flag Canary
solved 1129 days ago
Web205
Flag Authoriser
solved 1385 days ago
Web220
The Twig Injector
solved 1385 days ago
CRYPTO195
Substitution-flag-permutation network
solved 1390 days ago
NET205
The Web Shell
solved 1398 days ago
CRYPTO190
Suspicious Caesar Cipher
solved 1399 days ago
Web220
ACID flag bank
solved 1870 days ago
NET205
Follow the sequence
solved 1916 days ago
BEGINNER15
Watch and Learn
solved 1916 days ago
Pwn325
Free flag data store
solved 1955 days ago
Pwn235
Stack my pivot
solved 1970 days ago
REV195
The Flag Bootloader
solved 1971 days ago
Web285
Cereal Logger
solved 2007 days ago
MISC135
Try and catch
solved 2008 days ago
Web230
Slippery Upload
solved 2034 days ago
BEGINNER50
Tips and Tricks
solved 2044 days ago
NET255
Commutative Payload
solved 2044 days ago
Pwn150
Heaped notes
solved 2048 days ago
REV205
Flag Keygen
solved 2050 days ago
NET215
00ps, my WiFi disconnected
solved 2051 days ago
BEGINNER15
New challenge releases
solved 2052 days ago
BEGINNER10
Socket challenges
solved 2052 days ago
BEGINNER10
Web challenges
solved 2052 days ago
BEGINNER10
Downloadable challenges
solved 2052 days ago
BEGINNER5
The flag format
solved 2052 days ago
Web155
Trusted Client
solved 2052 days ago
REV135
The encrypted password
solved 2197 days ago
NET220
Custom Protocol
solved 2197 days ago
Pwn265
Cookie monster
solved 2207 days ago
Pwn200
A non-executable stack
solved 2209 days ago
Pwn330
Less confused environment write
solved 2210 days ago
Pwn320
Confused environment write
solved 2211 days ago
Pwn180
An executable stack
solved 2212 days ago
Pwn140
Hidden flag function parameters
solved 2214 days ago
Pwn145
Hidden flag function
solved 2216 days ago
Pwn145
Confused environment read
solved 2222 days ago
Web255
Administrative ORM
solved 2229 days ago
MISC140
Hidden Painting
solved 2234 days ago
MISC160
The encrypted flag
solved 2236 days ago
CRYPTO230
Predictable vectors
solved 2236 days ago
CRYPTO215
Hidden flag bytes
solved 2237 days ago
NET160
Error reporting protocol
solved 2237 days ago
Web315
Helicopter Administrators
solved 2240 days ago
Web310
Mechanical Turk
solved 2241 days ago
CRYPTO205
An exclusive key
solved 2242 days ago
NET200
Multiplication tables
solved 2245 days ago
CRYPTO190
The impossible user
solved 2246 days ago
MISC135
Sensitive server memory
solved 2247 days ago
CRYPTO275
Nonexistent functionality
solved 2247 days ago
REV200
The Secret Lock
solved 2249 days ago
Web220
Forgotten file pointer
solved 2249 days ago
NET185
Not my modulus
solved 2249 days ago
REV95
The more the merrier
solved 2249 days ago
MISC125
The flag lottery
solved 2250 days ago
MISC100
An impossible number
solved 2250 days ago
Web195
Compare the pair
solved 2250 days ago
Web155
Secured session
solved 2250 days ago
MISC90
The text editor jail
solved 2250 days ago
CRYPTO190
My Magic Bytes
solved 2250 days ago
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