Central InfoSec

Bash Scripting 101 Overview

Shells

Environment Variables

Brace Expansion

Command History

Locating Executables for Commands

Introduction to Bash Scripting

Running a Command in Bash

Creating a Basic Bash Script

Comments & Indentations

Variables

Rules for Variable Names

Declaring Variable Types

Unsetting Variables

Printing Strings with Echo

Printing Strings with Printf

Evaluating Expressions

Arithmetic Expansion

Operators

Conditional Statements (IfElse)

Nested Conditional Statements

Booleans

While Loops

For Loops

Port Scanning with Netcat

Basic Port Scanning Script 1

Port Scanning with dev tcp

Basic Port Scanning Script 2

Scripting Best Practices

Key Takeaways

Bash Scripting 201 Overview

Bash Scripting 101 Summary

Functions

Local vs Global Variables

Error Handling

Debugging Techniques

Logging

User Input

Arrays

Indexed Arrays

Associative Arrays

Working with Files (Reading & Writing)

Special Variables

Script Arguments

Advanced Port Scanning Script

Scripting Best Practices

Key Takeaways

PowerShell 101 Overview

Introduction to PowerShell

Windows vs Mac vs Linux

PowerShell vs PowerShell ISE

Running a Command in PowerShell

Running a Command in PowerShell ISE

PowerShell Version

Creating a Basic PowerShell Script

Comments & Indentations

Variables

Rules for Variable Names

Casting & Variable Types

Clearing & Removing Variables

Printing Variables

Text Decoration

Write-Host vs Write-Output

Subexpression Operator

Data Types

Numbers

Strings

Substrings

Modifying Strings

Concatenating Strings

String Escape Characters

Booleans

Operators

Conditional Statements (IfElse)

Nested Conditional Statements

While Loops

For Loops

ForEach Loops

ForEach-Object Loops

Aliases

Automatic Variables

Basic Port Scanning Script 1

Basic Port Scanning Script 2

Scripting Best Practices

Key Takeaways

PowerShell 201 Overview

PowerShell 101 Summary

Cmdlets

Environment Variables

Switch Statement

Range Operator

Arrays

Hashtables Dictionaries

Matching Operators (Contains vs Match vs Like)

Functions

Local vs Global Variables

Classes

Objects

Object Properties

Object Methods

Select-Object

Where-Object

Creating Custom Objects

Creating an Array of Custom Objects

Error Handling

Debugging Techniques

Logging

User Input

Working with Files

Reading Text Files

Writing to Text Files

Importing CSV Files

Exporting CSV Files

HTTP Requests

Script Arguments

Date & Time

Base64 Decode

Script 1 Combine CSV Files

Script 2 Find Duplicate Files

Script 3 Advanced Port Scanning Script

Scripting Best Practices

Key Takeaways

Python 101 Overview

Introduction to Python

Python Installation & Setup

Locating Executables for Commands - Python

Running a Command in Python

Creating a Basic Python Script

Comments & Indentations

Variables

Rules for Variable Names

Casting & Variable Types

Printing Variables

Data Types

Numbers

Strings

Slicing Strings

Modifying Strings

Concatenating & Formatting Strings

String Escape Characters

Booleans

Operators

Conditional Statements (IfElse)

Nested Conditional Statements

While Loops

For Loops

Basic Port Scanning Script

Scripting Best Practices

Key Takeaways

Python 201 Overview

Python 101 Summary

Local vs Global Variables

Range Function

Lists

Tuples

Sets

Dictionaries

Functions

Lambda Function

Classes & Objects

Error Handling

Debugging Techniques

Logging

User Input

Working with Files

Reading Files

Writing to Files

Creating New Files

Deleting Files & Directories

Working with Files Using Error Handling

Modules & Packages

Virtual Environments

PIP Package Manager

HTTP Requests

Script Arguments

Advanced Port Scanning Script

Scripting Best Practices

Key Takeaways

Closing Remarks