YET ANOTHER CTF?
akictf
Rules
- Don't share the flag
- Don't attack not specified service or port
- Don't brute force the server or problems
- (Even if you have solved with it, you don't feel interesting ;)
Sister site
Example: Capture the flag!
Q1RGCg==
The answer is "CTF". Q1RGCg== is encoded by Base64. For example, you can solve the problem like this:
% echo 'Q1RGCg==' | base64 -D CTF
Enjoy :)
Problem
| # | Title | Category | Point | Winner |
|---|---|---|---|---|
| 1 | Capture the flag! | misc | 10 |
|
| 2 | cheap cipher | crypto | 50 |
|
| 3 | cheap cipher (revenge) | crypto | 80 |
|
| 4 | directories | for | 60 |
|
| 5 | The flag is a lie. | misc+guessing | 200 |
|
| 6 | Game #1 | web | 70 |
|
| 7 | alphabet? | crypto | 80 |
|
| 8 | Horizontal line | misc | 70 |
|
| 9 | encode-encode | misc | 90 |
|
| 10 | easy crackme | bin | 70 |
|
| 11 | hiragana | trivia | 90 |
|
| 12 | ASCII Art | trivia | 60 |
|
| 13 | Yet Another G00913 | PPC | 100 |
|
| 14 | from login form | web | 120 |
|
| 15 | ZIP is zip | misc | 110 |
|
| 16 | medium crackme | bin | 130 |
|
| 17 | Fragments of gzip | misc | 80 |
|
| 18 | Which is the flag? | web | 90 |
|
| 19 | stairs | crypto | 80 |
|
| 20 | searcher | web | 180 |
|
| 21 | loop | web | 70 |
|
| 22 | hidden 1 | web | 100 |
|
| 23 | Picross | PPC | 250 |
|
| 24 | Gyazo | web+guessing | 210 |
|
| 25 | HEYYEYAAEYAAAEYAEYAA | steg | 80 |
|
| 26 | retro crackme | bin | 150 |
|
| 27 | Online banking | web | 270 |
|
| 28 | feel the rhythm | misc | 90 |
|
| 29 | jpeglitch | misc | 120 |
|
| 30 | tell me a message | bin+guessing | 230 |
|
| 31 | hidden 2 | guessing | 120 |
|
| 32 | simple sqli | web | 160 |
|
| 33 | from secure login form | web | 180 |
|
| 34 | CAPTCHA the Flag | PPC | 150 |
|
| 35 | console | web | 240 |
|
| 36 | iRC | web | 150 |
|
| 37 | steg noobs | steg | 180 |
|
| 38 | super secret notes | web | 300 |
|
| 39 | giveme_shellcode | pwn | 200 |
|
| 40 | sudden_death | web+pwn | 320 |
|
| 41 | Pokemon battle | web | 250 |
|
| 42 | unreadable message | misc | 180 |
|
| 43 | - | - | 0 |
|