Episode 1: Network Basics: Hubs vs. Switches Explained Description: Understand the core of your network! This episode uses Packet Tracer to illustrate the fundamental differences between hub and switched networks. See how data flows, the impact on efficiency, and the security implications of each.

Episode 2: Building Networks: Designing and Subnetting IP Schemes Description: Become a network architect! Learn to design and subnet IP address schemes in a simulated environment using Packet Tracer. We'll configure IP addresses for PCs and routers across different subnets and verify connectivity, essential for scalable and secure networks.

We'll cover:

1. Network Basics: Hubs vs. Switches

2. Building Networks: Designing andSubnetting IP Schemes Description

3.DNS Demystified: Installing a DNS Serverin Windows Server 2022 Description

4: DHCP Dynamics: Implementing a DHCP Serverin Windows Server 2022 Description

5: Firewall & Proxy Bypassing: Metasploitfor Web Recon Description

6: Firewall & Proxy Bypassing: Nikto forEvasion & Vulnerability Scanning Description

7: Vulnerability Assessment: Real-timeScanning with Nessus Description

8: Network Traffic Analysis: TCP/IP, UDP, andWireshark Flags Description

9: IDS/IPS Evasion & Deceptionstudy intruders.

10: Web Server Security: Architecture, AttackSurface & Hardening Description

Episode 10: Locking It Down: Restricting User Accesswith File Permissions Description: Secure your sensitive data! Learn thecritical skill of restricting user access to folders using NTFS permissions inWindows Server 2022. We'll demonstrate creating new users, setting explicit"Deny" permissions, and verifying their effectiveness, highlightingthe importance of granular access control.

Episode 9: Files & Formats: Working with FAT32 andNTFS Description: Demystify file systems! This episode guides youthrough creating and managing files in both FAT32 and NTFS formats on WindowsServer 2022. You'll learn how to format drives, perform file operations, verifyallocation, and configure advanced NTFS permissions for security.

Dig deep into system memory! Learn how to illustrate the memory layout of a basic program and use advanced PowerShell commands (WMI, security-focused queries) todebug, check process integrity, detect DLL injections, and identify suspicious processes on Windows Server 2022.

Commands:

• Get-Process | Where-Object { $_.ProcessName -eq "notepad" }
• Get-WmiObject -Class Win32_OperatingSystem | Select-Object TotalVisibleMemorySize, FreePhysicalMemory
• Get-Process
• Get-WmiObject -Class Win32_Process | Select Name, ProcessId, ExecutablePath. For new powershell version simply use: Get-Process | Select-Object Name, Id, Path
• Get-WmiObject -Class Win32_Process | Select-Object Name, ProcessId, ParentProcessId
• Get-WmiObject -Class Win32_Process -Filter "Name = 'notepad.exe'" | Select-Object ProcessId, Name, @{Name='Owner';Expression={$_.GetOwner().User}}
• Get-Process -Name notepad | Select-Object -ExpandProperty Modules | Select ModuleName, FileName
• Get-WmiObject Win32_Process | Where-Object { $_.ExecutablePath -and ($_.ExecutablePath -notlike "C:\Windows\*" -and $_.ExecutablePath -notlike "C:\Program Files\*") } | Select Name, ProcessId, ExecutablePath
• Get-Process | Where-Object { $_.Modules.ModuleName -contains "ntdll.dll" }
• Get-WmiObject Win32_Process | Select-Object Name, ProcessId, CommandLine
• Get-Process | Sort-Object StartTime -Descending | Select-Object Name, Id, StartTime | Select-Object -First 10

Don't let errors stop you! This episode focuses on practical debugging techniques for both PowerShell and Bash scripts. We'll intentionally introduce common errors (like typos or wrong parameters) and walk through how to identify and fix them, building crucial troubleshooting skills.

Powershell Script:

#Script to log multiple event IDs
$BeginTime = (Get-Date).AddMinutes(-20)
Get-EventLog -LogName "Securityy" -After $BeginTime |
Where-Object { $_.EventID -in '4624', '4625'} |
Select-Object TimeGenerated, EventID, Message |
Format-Table -AutoSize |
Out-Files C:\EventLogs_MultipleEvents.txt

BASH Script:

#!/bin/bash
#Variables
USERNAME="testuser" # User accountname
PASSWORD="P@ssw0rd" # User password
GROUP="testgroup" # Custom groupname
SSH_DIR="/home/$USERNAME/.ssh"
PUB_KEY="ssh-rsa AAAAB3...your-public-key... user@kali"

#Step 1: Check ifuser already exists
if id "$USERNAME" &>/dev/null; then
echo "Error: User '$USERNAME'already exists!"
exit 1
fi

#Step 2: Create userand set password
echo "Creating user '$USERNAME'..."
useradd -m -n -s /bin/bash "$USERNAME" # Error 1: -n is an invalidoption
if [ $? -ne 0 ]; then
echo "Error: Failed to create user'$USERNAME'"
exit 1
fi
echo "$USERNAME:$PASSWORD" | chpasswd
echo "Password set for user '$USERNAME'."

#Step 3: Add user tosudoers
echo "Granting sudo access to '$USERNAME'..."
usermod -aG sudo "$USERNAME"
if [ $? -ne 0 ]; then
echo "Error: Failed to add'$USERNAME' to sudoers"
exit 1
fi

#Step 4: Createcustom group and add user
echo "Creating group '$GROUP' and adding user..."
groupadd "$GROUP" 2>/dev/null
usermod -aG "wronggroup" "$USERNAME" # Error 2:"wronggroup" does not exist
if [ $? -ne 0 ]; then
echo "Error: Failed to add'$USERNAME' to group '$GROUP'"
exit 1
fi

#Step 5: Setup SSHkey-based authentication
echo "Setting up SSH key-based authentication..."
mkdir -p "$SSH_DIR"
echo "$PUB_KEY" > "$SSH_DIR/authorized_keys"
chmod 600 "$SSH_DIR/authorized_keys"
chmod 700 "$SSH_DIR"
chown -R "$USERNAME:$USERNAME" "$SSH_DIR"
if [ $? -ne 0 ]; then
echo "Error: Failed to set up SSHkeys"
exit 1
fi
echo "SSH keys configured for '$USERNAME'."

#Step 6: Setpassword expiry to 30 days
echo "Setting password expiry policy for '$USERNAME'..."
chage -M 30 "$USERNAME"
if [ $? -ne 0 ]; then
echo "Error: Failed to setpassword expiry"
exit 1
fi

#Step 7: Logactivity to/var/log/user_setup.log
LOG_FILE="/var/log/user_setup.log"
echo "$(date) - User '$USERNAME' created and configured" >>"$LOG_FILE"
if [ $? -ne 0 ]; then
echo "Error: Failed to write logto $LOG_FILE"
exit 1
fi

#Step 8:Confirmation Message
echo "Testing SSH connection to '$USERNAME'@localhosts..."
ssh "$USERNAME@localhost"
if [ $? -ne 0 ]; then
echo "Error: SSH connection failed."
exit 1
fi
echo "User '$USERNAME' created and configured successfully!"