Algorithms Complexity Analysis
Introduction In this post, I tried to collect all the information you will need to learn about algorithms complexity analysis…
Blog
Posts about software engineering, security and problem solving
Radare2 cheat Sheet
Radare2 cheat Sheet | All radare2 commands that you might need in an easily organized way. Command line options…
How to identify buffer overflows inside your application
Those are the main ways of identifying buffer overflows in applications If the source code of the application is available,…
LeetCode “Count Square Submatrices with All Ones” Problem Solution
Problem: Given a m * n matrix of ones and zeros, return how many square submatrices have all ones. Example 1: Input: matrix =…
Shells (Guide to all types of shells that you might need)
Netcat Shell Listener nc -nlvp 4444 Spawning a TTY Shell – Break out of Jail or limited shell You should…
LeetCode “Online Stock Span” Solution Using Monotonic Stack
Solution for LeetCode “Online Stock Span” Solution using Monotonic Stack
Networking Concepts – part 3 – Network Addressing, Ports and Protocols
Subnet classes Not used anymore as it’s a waste of IPs. It has been supplanted by CIDR CIDR (Classless Inter-Domain…
Networking concepts – part 2 – OSI model & TCP/IP Model
OSI MODEL TCP/IP Model How protocol stacks communicate The basic principle of stack-based communication is that: Data from one layer…
Networking concepts – part 1
Types of networks LAN – Local area network All users must be trusted Owned by a single entity MAN –…
Recent Comments