PicoCTF 2019


picoCTF 2019 Writeup

Content Page

Favorite Challenges

Binary Exploitation

Completed(3/24)

Challenges Points Solved
handy-shellcode 50 ☑️
practice-run-1 50 ☑️
OverFlow 0 100 ☑️
OverFlow 1 150  
slippery-shellcode 200  
Ghost_Diary 500  
 

Cryptography

Completed(10/15)

Challenges Points Solved
The Numbers 50 ☑️
13 100 ☑️
Easy1 100 ☑️
caesar/caesar-cipher-1) 100 ☑️
Flags 200 ☑️
Mr-Worldwide 200 ☑️
Tapping 200 ☑️
la cifra de 200 ☑️
rsa-pop-quiz 200 ☑️
miniRSA 300  
waves over lambda 300 ☑️
    ☑️
 

Forensics

Completed(16/25)

Challenges Points Solved
Glory of the Garden 50 ☑️
unzip 50 ☑️
So Metaso-meta 150 ☑️
What Lies Within 150 ☑️
extensions 150 ☑️
shark on wire 1 150 ☑️
WhitePages 250 ☑️
c0rrupt 250 ☑️
like1000 250 ☑️
m00nwalk 250 ☑️
Investigative Reversing 0 300 ☑️
m00nwalk2 300 ☑️
shark on wire 2 300 ☑️
Investigative Reversing 1 350 ☑️
Investigative Reversing 2 350  
WebNet0 350 ☑️
pastaAAA 350  
WebNet1 450 ☑️
 

General Skills

Completed(16/17)

Challenges Points Solved
2Warm 50 ☑️
Lets Warm Up 50 ☑️
Warmed Up 50 ☑️
Bases 100 ☑️
First Grep 100 ☑️
Resources 100 ☑️
strings it 100 ☑️
what’s a net cat? 100 ☑️
Based 200 ☑️
First Grep: Part II 200 ☑️
plumbing 200 ☑️
whats-the-difference 200 ☑️
where-is-the-file 200 ☑️
flag_shop 300 ☑️
mus1c 300 ☑️
1_wanna_b3_a_r0ck5tar 350 ☑️
The Factory’s Secret 1 ☑️
 

Reversing Engineering

Completed(17/25)

Challenges Points Solved
vault-door-training 50 ☑️
vault-door-1 100 ☑️
asm1 200 ☑️
vault-door-3 200 ☑️
asm2 250 ☑️
vault-door-4 250 ☑️
asm3 300 ☑️
droids0 300 ☑️
reverse_cipher 300 ☑️
vault-door-5 300 ☑️
droids1 350 ☑️
vault-door-6 350 ☑️
Need For Speed 400 ☑️
Time’s Up 400 ☑️
asm4 400  
droids2 400 ☑️
vault-door-7 400 ☑️
Time’s Up, Again! 450  
droids3 450  
vault-door-8 450 ☑️
 

Web Exploitation

Completed(9/18)

Challenges Points Solved
Insp3ct0r 50 ☑️
dont-use-client-side 100 ☑️
logon 100 ☑️
where are the robots 100 ☑️
Client-side-again 200 ☑️
Open-to-admins 200 ☑️
picobrowser 200 ☑️
Irish-Name-Repo 1 300 ☑️
Irish-Name-Repo 2 350 ☑️
Empire1 400  
Irish-Name-Repo 3 400  
JaWT Scratchpad 400  
Java Script Kiddie 400  
cereal hacker 1 450