Binary Exploitation

1. greetings

   greetings was a Easy Binary Exploitation challenge from TJCTF 2026. This is the author solution for the challenge.

   May 26, 2026 CTF Writeups, Binary Exploitation, Easy

   • TJCTF 2026
   • Buffer Overflow
   • Shellcode
   • Easy

2. File Struct Exploits P2

   File Struct Exploits P2 is an explanation of how to use File Struct overwrites to gain Arbitrary Code Execution.

   Apr 21, 2026 Exploitation Notes, Binary Exploitation, Hard

   • File Structs
   • Hard

3. File Struct Exploits P1

   File Struct Exploits P1 is an explanation of how to use File Struct overwrites to gain an Arbitrary Read or Write Primitive.

   Apr 05, 2026 Exploitation Notes, Binary Exploitation, Hard

   • File Structs
   • Write Primitive
   • Read Primitive
   • Hard

4. Pizza Router

   Pizza Router was a Hard Binary Exploitation challenge from picoCTF 2026. It has around 500 user solves as of writing this.

   Mar 24, 2026 CTF Writeups, Binary Exploitation, Hard

   • picoCTF 2026
   • Heap
   • Write Primitive
   • Hard

5. cult classic

   Cult classic was an Easy Binary Exploitation challenge from BKCTF 2026. It was the second most solved Binary Exploitation challenge.

   Mar 15, 2026 CTF Writeups, Binary Exploitation, Easy

   • BKCTF 2026
   • Shellcode
   • Easy

6. Average Heap Challenge

   Average Heap Challenge was a Medium Binary Exploitation challenge from PascalCTF 2026. It was the third pwn challenge of the competition.

   Feb 18, 2026 CTF Writeups, Binary Exploitation, Medium

   • PascalCTF 2026
   • Heap
   • Tcache
   • Medium

7. FrostByte

   FrostByte was a Hard Binary Exploitation challenge from Advent of CTF 2025 (CyberStudents). It was the day 16 challenge.

   Feb 16, 2026 CTF Writeups, Binary Exploitation, Hard

   • Advent of CTF 2025
   • PLT
   • Write Primitive
   • Shellcode
   • Hard

8. heap 3

   Heap 3 was a Medium Binary Exploitation challenge from picoCTF 2024. It has around 4,000 user solves as of writing this.

   Jan 25, 2026 CTF Writeups, Binary Exploitation, Medium

   • picoCTF 2024
   • Heap
   • UAF
   • Tcache
   • Medium

9. babybof

   Babybof was an Easy Binary Exploitation challenge from UoftCTF 2026. It was the most solved Binary Exploitation challenge.

   Jan 15, 2026 CTF Writeups, Binary Exploitation, Easy

   • UofTCTF 2026
   • Null Byte
   • Buffer Overflow
   • Stack Alignment
   • Easy

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