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Daily AlpacaHack

A CTF challenge series with fun puzzles to enjoy every day

What is Daily AlpacaHack?

We regularly publish simple, beginner-friendly or educational CTF challenges!

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Solve each challenge within its time window to appear on the leaderboard.

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Today's Challenge
k0080k0080
what is my pointer 2
Pwn
Hard
20 solves
Submissions (latest 3)
xnmhuveb

SOLVED!

Sep 27, 10:46 PM

edwowmath

SOLVED!

Sep 27, 1:51 PM

Leaderboard

Try the first challenge

Is this your first CTF? Let's begin by tackling the first challenge released on Daily AlpacaHack.

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admin
AlpacaHack 2100
Misc
Welcome🌱
2,226 solves
Upcoming challenges reveal the , , and in advance.
Prev

Sep 2026

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tchentchen
Springing
Web
Medium
74 solves
1
admin
QUIZ ALPACASHOCK
Misc
Welcome🌱
139 solves
2
hiikunzhiikunz
base 16-32-64
Misc
Easy🌱
115 solves
3-4
tan90909090tan90909090
Let's Shut Down Linux
Misc
Medium
67 solves
5
baumroll1234
6-8
minaminaominaminao
Bitflip RSA
Crypto
Hard
56 solves
 
minaminaominaminao
Bitflip RSA
Crypto
Hard
56 solves
9-11
minaminaominaminao
\^o^/
Misc
Hard
44 solves
12-13
tan90909090tan90909090
sin function vs. fsin instruction
Rev
Misc
Medium
56 solves
14-15
tan90909090tan90909090
integer division
Misc
Medium
74 solves
16-18
edwowmathedwowmath
neighboRhood_diStAnce
Crypto
Hard
42 solves
19-21
hiikunzhiikunz
nested eval
Misc
Hard
50 solves
 
hiikunzhiikunz
nested eval
Misc
Hard
50 solves
22-24
2501
The 3rd
Crypto
Hard
36 solves
25-26
haihuiliyuyuan
typhoon-pythoon
Rev
Medium
44 solves
27-30
k0080k0080
what is my pointer 2
Pwn
Hard
20 solves
 
k0080k0080
what is my pointer 2
Pwn
Hard
20 solves
1
Coming soon
2
Coming soon
3
Coming soon
4
Coming soon

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Writeups

Writeup for typhoon-pythoon

lumma

ja
typhoon-pythoon

2026/09/27 01:17

gattoartz

Writeup for base 16-32-64

ja

2026/09/26 23:00

Rows:

misdirection

Topic: AMD64Released: Feb 7, 2026

207 solves
Rev
Medium1.5

by

tan90909090

tan90909090

USER

SOLVED AT

7hep5k

2026/09/26 22:21

2026/09/25 10:33

2026/09/25 02:03

2026/09/24 01:50

2026/09/22 13:29

2026/09/12 11:01

2026/09/10 12:41

2026/08/30 14:35

2026/08/28 13:08

2026/08/26 05:27

2026/08/23 07:21

2026/08/22 16:01

2026/08/21 00:11

2026/08/19 10:04

2026/08/16 05:09

2026/08/08 12:39

2026/08/07 04:58

2026/07/28 19:41

2026/07/26 09:37

2026/07/25 10:43

2026/07/25 09:14

2026/07/21 05:04

2026/07/18 13:09

2026/07/15 11:47

2026/07/13 08:34

Rows:

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