Android App Reverse Engineering

https://www.ragingrock.com/AndroidAppRE/

Intro to Syscalls & Windows internals for malware development:

https://medium.com/%40amitmoshel70/intro-to-syscalls-windows-
internals-for-malware-development-pt-1-b5bb0cd90c52

https://medium.com/@amitmoshel70/intro-to-syscalls-windows-internals-for-malware-development-pt-2-b8d88bb10eb9

پیدا کردن گجت‌ های jmp برای call stack spoofing
Finding jmp gadgets for call stack spoofing

https://github.com/rasta-mouse/GadgetHunter

@PfkSecurity

Windows local privilege escalation through the bitpixie vulnerability

https://blog.syss.com/posts/bitpixie/

Binary Exploitation 101

https://r1ru.github.io/categories/binary-exploitation-101/

تکنیک‌های ساده مهندسی معکوس

توی این مرحله یاد می‌گیریم چطور برنامه‌های ساده‌ای رو که یه محافظ ابتدایی یا قفل ساده دارن آنالیز کنیم و رفتار پشتشون رو بفهمیم

قدم‌ به‌ قدم:

باز کردن فایل با ابزار استاتیک و دیباگر
همون‌ طور که قبلا یاد گرفتیم اول با IDA Ghidra ساختار برنامه رو ببینید و بعد با x64dbg بذارید روی Entry Point وایسته این پایه همه کاراست

پیدا کردن قسمت چک لایسنس یا شرط‌ ها
تو برنامه‌ های ساده معمولا یه شرط if هست که میگه اگه لایسنس درست بود برو جلو اگه نه پیام خطا بده این بخش معمولا کنار توابعی مثل strcmp یا strncmp یا توابع ورودی رشته‌ای قرار داره

ردیابی با Breakpoint
روی تابعی که شک دارید بررسی لایسنسه Breakpoint بذارید برنامه رو اجرا کنید و ببینید کی و کجا متوقف میشه از اونجا می‌تونید مسیر منطقی برنامه رو بفهمید

بررسی دستورهای شرطی
معمولا یه دستور JE، JNE، JZ یا JNZ هست که تصمیم میگیره ادامه برنامه چی بشه اگه اینو پیدا کنید دقیقا اونجاست که برنامه تصمیم میگیره لایسنس درسته یا نه

دستکاری ساده برای فهم منطق
به جای عوض کردن فایل میتونید تو دیباگر دستور پرش رو موقتا عوض کنید مثلا JNE رو به JE تغییر بدید تا ببینید اگه شرط برعکس بشه چی میشه این تمرین کمک میکنه منطق چک رو کامل درک کنید

 
تمرین:

یه برنامه ساده بسازید که یه رمز مشخص داره مثلا "1234" و اگه درست وارد شد پیام موفقیت بده
بعد با IDA و x64dbg بررسیش کنید:

تابع مقایسه رمز رو پیدا کنید

نقطه پرش تصمیم‌ گیرنده رو شناسایی کنید

با تغییر پرش ببینید برنامه چطور رفتار میکنه



Simple Reverse Engineering Techniques

In this step we will learn how to analyze simple programs that have a basic guard or a simple lock and understand the behavior behind them

Step by step :

Open the file with static tools and debugger
As we learned before, first see the structure of the program with IDA Ghidra and then place it on the Entry Point with x64dbg and that's it

Find the license check section or conditions
In simple programs there is usually an if condition that says if the license is correct go ahead if not give an error message This section is usually next to functions like strcmp or strncmp or string input functions

Tracing with Breakpoint
Run the program and see when and where it stops From there you can understand the logical path of the program

Examining conditional statements
Usually there is a JE, JNE, JZ or JNZ statement that decides whether to continue the program What if you find this? This is exactly where the program decides whether the license is valid or not

A simple manipulation to understand the logic
Instead of changing the file you can temporarily change the jump instruction in the debugger, for example, change JNE to JE to see what happens if the condition is reversed This exercise will help you fully understand the logic of the check

Exercise :

Create a simple program that has a specific password for example "1234", and if it is entered correctly it will give a success message

Then check it with IDA and x64dbg :

Find the password comparison function

Identify the decision-making jump point

See how the program behaves by changing the jump

The Evolution of macOS Security

https://theevilbit.github.io/talks_workshops/2025/MacSysAdmin2025-Csaba-Fitzl-Evolution-of-macOS-Security.pdf

Post-Quantum Now: from AES & RSA to ML-KEM Hybrids

A crisp, practical guide to navigating the quantum shift: how today’s crypto stack really works, what breaks with quantum, what survives (hello, AES-256), and how to roll in ML-KEM/Dilithium without breaking prod.

Highlights you’ll get in 10 minutes:
1️⃣ A little tour of the “digital trust” stack — AES modes, nonce pitfalls (GCM vs SIV), and why key-derivation details matter.

2️⃣ Quantum threat & HNDL explained: keep symmetric strong (AES-256), plan to replace public-key (RSA/ECDSA/curves).

3️⃣ What NIST is standardizing now: ML-KEM (Kyber) for key establishment and ML-DSA (Dilithium) for signatures — with libraries you can use today (liboqs/pyoqs).

4️⃣ Hands-on hybrid recipe: X25519 + ML-KEM, trannoscript-bound HKDF, and a minimal Python snippet to derive a shared session key.
5️⃣ Migration roadmap you can copy-paste: Shadow Mode → Hybrid Mode → Audit & Logging → Policy flags → Crypto agility best practices.

If you’re a security engineer, architect, or CISO planning 2025 rollouts, this is your field guide to ship PQC with confidence — not someday, but now.

Read the full post: https://netlas.io/blog/post_quantum_cryptography/

This repository contains slides and hands-on materials for Emproof's workshop on firmware reverse engineering, presented at ScapyCon Automotive 2025. The workshop targets a technical audience with minimal security experience and teaches the fundamentals through practical, self-contained tasks.

https://github.com/emproof-com/workshop_firmware_reverse_engineering

How Does the iOS Kernel Copy Memory?
(Virtual Memory Internals)

https://www.youtube.com/watch?v=0hxUEaDp1AA

A Deep Dive into Reverse Engineering and Exploitation of Drones

https://cfp.recon.cx/media/2023/submissions/HLHH89/resources/REcon_online_slides_mLUVm2u.pdf

dalvikus

A modern Android reverse engineering and modification toolkit built with Compose Multiplatform, available for windows, linux & mac.

https://github.com/loerting/dalvikus.git

Hypervisors for Memory Introspection and Reverse Engineering

https://secret.club/2025/06/02/hypervisors-for-memory-introspection-and-reverse-engineering.html

تحلیل باج افزار Qilin که پس از افول یا اسکم شدن بعضی باج افزارهایی مثل LockBit و BlackCat و RansomHub در صدر بیشترین حملات اخیر هست

Qilin ransomware analysis, which is at the forefront of most recent attacks after the decline or shrink of some ransomware such as LockBit, Blackcat and RansomHub

https://www.sans.org/blog/evolution-qilin-raas


@Fuzz0x