Skill UI

A comprehensive guide for reverse engineering Android malware. It details how to use JADX and accompanying tools (apktool, androguard) to analyze APK metadata, extract permissions, decompile Java/Kotlin source code, and identify malicious functionalities like data exfiltration, C2 communication, and overlay attacks. Ideal for mobile threat analysis and security research.

A comprehensive guide for analyzing .NET malware (C#, VB.NET, F#) using professional tools like dnSpy and de4dot. Learn to decompile code, identify obfuscation techniques (ConfuserEx, SmartAssembly), extract C2 configurations, and debug malicious behavior in stealers and RATs.

This comprehensive guide teaches advanced iOS reverse engineering techniques using Frida dynamic instrumentation. Users can analyze proprietary app logic, extract encryption keys, trace method calls, and bypass anti-tampering or anti-debugging mechanisms without needing source code. It is essential for authorized mobile security testing and protocol analysis.

A deep dive into advanced malware reverse engineering techniques. Learn how to utilize Ghidra's powerful disassembler and decompiler to analyze complex malware binaries. This guide covers identifying C2 communication protocols, extracting cryptographic routines, understanding memory injection, and analyzing low-level assembly code for core logic and evasion techniques. Essential for professional cybersecurity analysts.

A comprehensive deep dive into reverse engineering ransomware encryption mechanisms. It details the analysis of hybrid encryption models (AES/RSA), identifying specific cryptographic APIs (CryptoAPI, CNG), and locating implementation flaws such as weak key generation or IV reuse. This guides authorized security professionals in finding potential decryption opportunities without paying a ransom.

A comprehensive guide and Python tool for reverse engineering Rust-compiled malware. It addresses unique Rust binary challenges, such as non-null-terminated strings and monomorphization. The script extracts crate dependencies, identifies suspicious capabilities (like networking or encryption), and filters for malware-related strings, assisting security researchers in deep binary analysis.

A comprehensive guide to idiomatic Rust patterns and best practices for building safe, high-performance, and maintainable applications. Covers core concepts like ownership and borrowing, robust error handling using thiserror and anyhow, state modeling with enums, zero-cost abstraction via traits and generics, and safe concurrent programming practices.

A comprehensive guide to writing robust and maintainable tests in Rust. It covers various advanced testing patterns, including Unit, Integration, Async, and Property-Based testing. Learn how to apply the TDD (Test-Driven Development) cycle (RED-GREEN-REFACTOR) to enhance code reliability and ensure high code coverage.

Use Trivy to automate comprehensive vulnerability detection (CVEs, misconfigurations) in Docker container images within CI/CD pipelines. This skill guides users on establishing robust quality gates—such as integrating into GitHub Actions or GitLab CI—to ensure that only secure images are pushed to production registries, covering OS packages, dependencies, and Dockerfile best practices.

A comprehensive guide detailing the use of Tenable Nessus, an industry-leading vulnerability scanner. Learn how to configure advanced scan policies, perform both authenticated and unauthenticated scans across servers, network devices, and web applications. This skill covers end-to-end processes from execution to result analysis and reporting.

This comprehensive guide details advanced network reconnaissance using Nmap's full capabilities. It covers sophisticated host discovery across multiple protocols, deep port scanning with timing and performance tuning, accurate service version enumeration, and OS fingerprinting. Furthermore, it teaches advanced techniques like firewall evasion (fragmentation, spoofing) and running NSE scripts for systematic vulnerability detection, crucial for authorized security assessment reports.

This guide details implementing robust, multi-layered security for public-facing API Gateway endpoints using AWS WAF. Key features include configuring managed rule groups for OWASP Top 10 protection, setting up granular rate limiting to prevent abuse, implementing bot mitigation, and performing IP reputation filtering. Essential for maintaining API integrity and availability.