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Daily Writeups

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Daily Bug Bounty / Cybersecurity Writeups
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🔖New Writeup❗️
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🗓Date: Tue, 22 Aug 2023 13:48:29 GMT
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✏️Title: How to Quarantine an Infected File in a Zip Archive using C/C++
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📎Link: https://medium.com/p/91269fd069b0
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Tags: #zip_file #cybersecurity #free_api #c_programming #file_security

How to Quarantine an Infected File in a Zip Archive using C/C++

When we detect virus or malware signatures in a file, we need to act on that file immediately. We can delete the file outright, or we can…

26 views14:02

🔖New Writeup❗️
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🗓Date: Sat, 09 Sep 2023 01:37:12 GMT
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✏️Title: String You Along (ASD CTF 2023)
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📎Link: https://medium.com/p/92373dfcebb7
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Tags: #cybersecurity #vulnerability #ctf_writeup #c_programming

String You Along (ASD CTF 2023)

Challenge Description: You can B whatever you want to B.

13 views02:01

🔖New Writeup❗️
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🗓Date: Mon, 18 Sep 2023 20:43:59 GMT
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✏️Title: Shellcode Injection Nedir ve Nasıl Yapılır?
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📎Link: https://medium.com/p/d13b5584f9e9
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Tags: #siber_guvenlik #shellcode_injection #cybersecurity #windows #c_programming

Shellcode Injection Nedir ve Nasıl Yapılır?

Bu yazıda Shellcode Injection’ın ne olduğunu öğrendik ve C dili ile bir Shellcode Injector programladık.

5 views23:02

🔖New Writeup❗️
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🗓Date: Thu, 12 Oct 2023 13:42:50 GMT
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✏️Title: C Programming QNA & SAQ
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📎Link: https://medium.com/p/60c5ee728da0
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Tags: #cybersecurity #programming #c_programming #information_technology #problem_solving

C Programming QNA & SAQ

What is variable in C?
A variable in c is created in c to store data by reserving memory in the system. You can have different types of…

10 views14:02

🔖New Writeup❗️
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🗓Date: Mon, 23 Oct 2023 10:29:40 GMT
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✏️Title: Hacker Detection. Let’s Develop and Load a Custom Security Kernel Module for Ubuntu
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📎Link: https://medium.com/p/4652e4164bbb
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Tags: #hacking #linux #c_programming #infosec #cybersecurity

Hacker Detection. Let’s Develop and Load a Custom Security Kernel Module for Ubuntu

Picture this: while your friends are bragging about their MW2 Killstreak or the results of their latest speed run, you’ll be the hip cat…

9 views11:02

⤷ Title: Build Your Own Shell: A Hands-On Guide For Cybersecurity & System Mastery.
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𐀪 Author: RicOnTech
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ⴵ Time: Thu, 20 Mar 2025 19:38:37 GMT
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⌗ Tags: #c_programming #cybersecurity #shell #ethical_hacking #kali_linux

Build Your Own Shell: A Hands-On Guide For Cybersecurity & System Mastery.

Our own implementation of the Linux terminal in C programming language.

20 views20:04

⤷ Title: Hijacking Trust: The Parallels Between Use-After-Free and Insecure Deserialization
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𐀪 Author: Masoud Abdaal
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ⴵ Time: Thu, 24 Apr 2025 04:06:56 GMT
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⌗ Tags: #exploit #insecure_deserialization #bug_bounty #c_programming #heap_memory

Hijacking Trust: The Parallels Between Use-After-Free and Insecure Deserialization

22 views06:04

⤷ Title: How to Scan .HDR Files for Malicious Content using C/C++
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𐀪 Author: Cloudmersive
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ⴵ Time: Tue, 06 May 2025 17:46:01 GMT
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⌗ Tags: #c_programming #file_upload_vulnerability #api #application_security #virus_scan

How to Scan .HDR Files for Malicious Content using C/C++

Many binary or structured formats can become attack vectors when malformed headers, oversized payloads, or crafted data sequences are…

14 views12:06

⤷ Title: Race Condition leads to use-after-free
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𐀪 Author: 0cifer_l
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ⴵ Time: Tue, 03 Jun 2025 11:48:18 GMT
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⌗ Tags: #source_code #cybersecurity #race_condition #bug_bounty #c_programming

Race Condition leads to use-after-free

HELLO EVERYONE, THIS IS MY FIRST ACTUAL WRITE-UP ON MY FIRST BUG I EVER FOUND. SOME PEOPLE MAY WONDER HOW A ROOKIE COULD FOUND THIS…

25 views12:04

⤷ Title: Secure TCP Communication in C — Part 1: Building the Encrypted Backdoor Server (RSA + AES).
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𐀪 Author: Rafael Medeiros
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ⴵ Time: Mon, 30 Jun 2025 02:48:55 GMT
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⌗ Tags: #c_programming #backdoor #cybersecurity #malware

Secure TCP Communication in C — Part 1: Building the Encrypted Backdoor Server (RSA + AES).

⚠️ Disclaimer: This project is intended for educational and research purposes only.
It is designed to help developers, security…

22 views03:04

⤷ Title: How I Built a Custom Reverse Shell in C — by Muhammad Mahad
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𐀪 Author: Muhammad Mahad
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ⴵ Time: Sun, 06 Jul 2025 19:37:14 GMT
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⌗ Tags: #cybersecurity #reverse_shell #ethical_hacking #c_programming

How I Built a Custom Reverse Shell in C — by Muhammad Mahad

As a cybersecurity enthusiast and ethical hacker, I’ve always been fascinated by how remote access tools and shells work under the hood…

46 views21:04

⤷ Title: Crackmes.de: Plain Sight
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𐀪 Author: Sourav Bose
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ⴵ Time: Sun, 14 Sep 2025 10:45:31 GMT
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⌗ Tags: #debugging #reverse_engineering #hacking #c_programming #crackme

Crackmes.de: Plain Sight

Crackmes.de Plain Sight writeup

10 views12:04

⤷ Title: Deep Dive on ptrace: Reverse Engineering Linux System Calls
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𐀪 Author: Stanislav Babenko
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ⴵ Time: Sat, 04 Oct 2025 23:42:02 GMT
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⌗ Tags: #c_programming #mitre_attack #linux #cybersecurity #ubuntu

Deep Dive on ptrace: Reverse Engineering Linux System Calls

As someone who’s spent countless hours peering into the guts of running processes on Linux, few tools have been more revelatory than ptrace…

22 views00:04

⤷ Title: Dynamic Memory Analysis with AddressSanitizer at the Binary Level
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𐀪 Author: Bervice
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ⴵ Time: Tue, 28 Oct 2025 21:51:37 GMT
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⌗ Tags: #bervice #security #devtools #cybersecurity #c_programming

Dynamic Memory Analysis with AddressSanitizer at the Binary Level

Memory bugs are silent killers in software systems. They don’t just crash applications — they open doors for data corruption, undefined…

19 views22:04

⤷ Title: LOW-LEVEL BASICS Part 1
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𐀪 Author: Infohack
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ⴵ Time: Tue, 09 Dec 2025 13:28:42 GMT
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⌗ Tags: #c_programming #x64dbg #hacking #noob #assembly_language

LOW-LEVEL BASICS Part 1

Topics inside Part 1

16 views14:04

⤷ Title: How I Found an Integer Overflow in ImageMagick Leading to Out-of-Bounds Read (CVE-2025–66628)
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𐀪 Author: Sumit Shah (HackSage)
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ⴵ Time: Wed, 10 Dec 2025 16:09:22 GMT
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⌗ Tags: #cve_2025_66628 #cve #bug_bounty #cybersecurity #c_programming

How I Found an Integer Overflow in ImageMagick Leading to Out-of-Bounds Read (CVE-2025–66628)

Hey there, security enthusiasts and fellow hackers! 🙂‍↔️ I’m Sumit Shah… Today, I’m excited to share a fresh finding: a High-severity…

24 views18:04

⤷ Title: Cobalt Strike Linux Beacon: Building a Custom Cobalt Strike Beacon for Linux
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𐀪 Author: ddos
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ⴵ Time: Sun, 15 Feb 2026 02:48:28 +0000
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⌗ Tags: #Open Source Tool #Beacon #C Programming #Cobalt Strike #cybersecurity #Infosec #Linux #Malware Development #Penetration Testing #red teaming

Penetration Testing Tools

Cobalt Strike Linux Beacon: Building a Custom Cobalt Strike Beacon for Linux

Discover how to build a custom Linux Beacon for Cobalt Strike. Learn to extend Red Team operations to any platform with this C-based proof-of-concept.

27 views09:04

⤷ Title: Why pointer Type Matters : Typecasting and Memory Behaviour in C
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𐀪 Author: Prashant Raj
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ⴵ Time: Fri, 06 Mar 2026 21:40:00 GMT
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⌗ Tags: #cybersecurity #technology #reverse_engineering #hacking #c_programming

Why pointer Type Matters : Typecasting and Memory Behaviour in C

In C Programming every variable has a fixed data type such as int , float,char or double . Sometimes it is required to change the data of a…

12 views23:03

⤷ Title: A beginner-friendly walkthrough of DLL injection using Windows APIs in C
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𐀪 Author: v3x
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ⴵ Time: Sun, 14 Jun 2026 20:06:22 GMT
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⌗ Tags: #cybersecurity #c_programming #dll_injection #malware_development #hacking

DLL Injection — Simple Explanation With Code

DLL Injection — Simple Explanation With Code What I am going to explain is simple so just don’t freak out and remind yourself that it’s simple. APIs We Will Use These are the Windows APIs …

20 views22:04

⤷ Title: Why Learning C Still Matters for Cybersecurity in 2026
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𐀪 Author: Naro
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ⴵ Time: Sun, 28 Jun 2026 08:30:17 GMT
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⌗ Tags: #c_programming #ethical_hacking #programming #software_development #cybersecurity

Why Learning C Still Matters for Cybersecurity in 2026

Python helps you automate tasks. C helps you understand the machine. Discover why C remains one of the most valuable languages for…

45 views10:04