Algorithms Complexity Analysis
Table of Contents IntroductionImportant Criteria: Time and SpaceCommon Asymptotic Notations1. Big- (Big-Theta) notation (Describes the ‘average’ case scenario)2. Big-O (Big…
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Radare2 cheat Sheet
Table of Contents Radare2 cheat Sheet | All radare2 commands that you might need in an easily organized way.Command line…
How to identify buffer overflows inside your application
Table of Contents Those are the main ways of identifying buffer overflows in applicationsA look inside Stack while a simple…
LeetCode “Count Square Submatrices with All Ones” Problem Solution
Table of Contents Problem:Solution:Code:Complexity Analysis: Problem: Given a m * n matrix of ones and zeros, return how many square submatrices have all ones.…
Shells (Guide to all types of shells that you might need)
Table of Contents Netcat Shell ListenerSpawning a TTY Shell – Break out of Jail or limited shellCreating Meterpreter Shells with…
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
Table of Contents Subnet classesCIDR (Classless Inter-Domain Routing)Broadcast addressesPrivate addressesIP v6MAC and IP addressARP (Address Resolution Protocol)Ports and protocolsDNS (Domain…
Networking concepts – part 2 – OSI model & TCP/IP Model
Table of Contents OSI MODELTCP/IP ModelHow protocol stacks communicateHow TCP packets are createdIP V4 headerIP V6 headerIP fragment attacks OSI…
Networking concepts – part 1
Table of Contents Types of networksPhysical and Logical topologiesPhysical topologiesTypes of physical topologiesBus topologyRing topologyStar topologyLogical TopologiesEthernetToken ring and FDDIToken…
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