Draco Cyber Security
SSH Tunneling -Local Port Forwarding – Debian 11
SSH Tunneling or SSH port forwarding is a way where you can access application leveraging on the SSH ports and tunnel in the event that you do not want to open additional ports on your firewall. In this tutorial I am going to show you how...
Configure ASAv password and IP Address – VM on ESXi
After deploying the ASAv on ESXi. You can start the ASAv VM. There are 2 basic configuration that you need to perform to enable ASDM Access. Set a password Configure a IP address. Set a password When you first boot up the ASAv you will need to go into privilege EXEC...
Enabling SSH Key Login
OS: DebianSSH: OpenSSH 8.2p1 Enabling SSH Key Login is a great way of protecting your SSH access to the cloud server. In the event that you still prefer password login (For convenience if you access the SSH server from multiple machine and does not want to port your...
Umbrella SIG Tunnel with Fortigate 60F
In this tutorial, I will show you how to configure Cisco Umbrella SIG tunnel to Fortigate 60F in your lab environment. First, I will show you how to configure Cisco Umbrella SIG, followed by Fortigate 60F. I will also show you where you can see the status and the logs...
Install ASAv in KVM (Ubuntu)
Install ASAv in VMWare ESXi
In this tutorial I will show you how to install ASAv on VMWare ESXi. Steps Download the ASAv software. You need to have a valid Cisco Account or get a trial from a Registered Cisco Partner. You can check out the at the official documentation link. The Support...
Grep and cut Command by example with SSH logs – Brute Force
Linux: Debian 11 Grep is a very useful tools to quickly look through logs and text file. In this tutorial by example I will go through some useful commands and options that you can use to quickly get the ip address and username that is use to brute force your ssh...
Python 3.9.2 – File and Exception – SSH Brute Force IP address
Python is one of the most commonly use scripting tools. As a cyber security professional it is always good to have a few scripting language up your sleeve. It is always important to be able to understand simple logs and use a scripting tool to get high level...
Python 3.9.2 – Taking input from command line – using sys module
The sys module is a common python module to handle system inputs and commands. sys.argv is the list of command line arguments that are passed into the Python program. argv represents all the input that are entered into the command line. It is an array that hold the...
Mount additional hard disk in Ubuntu 20.04 – Contabo
To mount additional hard disk in Ubuntu in Contabo. You will need to have root privilege to do it.Use fdisk to identified the disks in the system. Below is the link for the official guide https://contabo.com/blog/mounting-additional-hard-disks-linux/ fdisk -l If the...
Firewalls
Configure ASAv password and IP Address – VM on ESXi
After deploying the ASAv on ESXi. You can start the ASAv VM. There are 2 basic configuration that you need to perform to enable ASDM Access. Set a password Configure a IP address. Set a password When you first boot up the ASAv you will need to go into privilege EXEC...
Umbrella SIG Tunnel with Fortigate 60F
In this tutorial, I will show you how to configure Cisco Umbrella SIG tunnel to Fortigate 60F in your lab environment. First, I will show you how to configure Cisco Umbrella SIG, followed by Fortigate 60F. I will also show you where you can see the status and the logs...
Install ASAv in KVM (Ubuntu)
Install ASAv in VMWare ESXi
In this tutorial I will show you how to install ASAv on VMWare ESXi. Steps Download the ASAv software. You need to have a valid Cisco Account or get a trial from a Registered Cisco Partner. You can check out the at the official documentation link. The Support...
How to create a VLAN in Fortigate 60F
In this quick tutorial, I am going to show you how to create a VLAN in Fortigate 60F To create a VLAN for the lab go to Network -> Interfaces, then select the interface that the VLAN for the tunnel is going to be and click on Create New. Select Interface. Enter a name...
Configure RSyslog to log iptables log to another log file instead of kern.log/syslog.log
In this tutorial I am going to show you how to customized rsyslog to log iptables log to a different log file. This is useful if you want to look at specific iptables log and also understand how packets flow through the iptables. Create a new config file in the...
Configure Rsyslog to log multiple iptables log prefix to multiple log files – Ubuntu 20.04
In this tutorial I am going to show you how to customized rsyslog to log multiple iptables log (with different prefix) to different log files. This is useful if you want to look at specific iptables log and also understand how packets flow through the iptables. Create...
Iptables Basic Configurations – Ubuntu 20.04
Iptables is a very useful linux firewall for protection and learning of how the ip packets transverse the linux system. Although the newer nftables is starting to gain popularity as well as ufw and firewalld due its simplicity as well as add GUI capabilities it is...
Configure IPTABLES port forwarding to nested Guest VM in KVM (Default NAT virtual bridge) – Ubuntu 20.04
For those using iptables and would like to configure iptables allow http and RDP access to the Guest VMs. Here are the steps to configure and explanation of the rules. 1. Configure the iptables use the nat table to route the mapped port to the guest VM IP address and...
IPTABLES Basics Understanding – Ubuntu 20.04
In this tutorial, I will share my learning and understanding of IPTABLES. There are a few things that will help in your understanding and configuration of: . TABLESTables form the basis of the IPTABLES where chains and rules are created base on the tables that the...
Tech
SSH Tunneling -Local Port Forwarding – Debian 11
SSH Tunneling or SSH port forwarding is a way where you can access application leveraging on the SSH ports and tunnel in the event that you do not want to open additional ports on your firewall. In this tutorial I am going to show you how...
Enabling SSH Key Login
OS: DebianSSH: OpenSSH 8.2p1 Enabling SSH Key Login is a great way of protecting your SSH access to the cloud server. In the event that you still prefer password login (For convenience if you access the SSH server from multiple machine and does not want to port your...
Grep and cut Command by example with SSH logs – Brute Force
Linux: Debian 11 Grep is a very useful tools to quickly look through logs and text file. In this tutorial by example I will go through some useful commands and options that you can use to quickly get the ip address and username that is use to brute force your ssh...
Mount additional hard disk in Ubuntu 20.04 – Contabo
To mount additional hard disk in Ubuntu in Contabo. You will need to have root privilege to do it.Use fdisk to identified the disks in the system. Below is the link for the official guide https://contabo.com/blog/mounting-additional-hard-disks-linux/ fdisk -l If the...
Contabo – Fixing Console not working after installing GDE such as xfce4. – Ubuntu 20.04
Stuck at the above screen after you reboot your Ubuntu 20.04, this is a very common problem when you install Graphical Desktop Environment (GDE) such as xfce4, lightdm, Ubuntu Desktop etc in your Linux Environment. If you face the same issue. For those of you who have...
Assigning static IP Address to Guest VM in a nested KVM – Ubuntu 20.04
You can always manually configure the ip address of your guest VM especially you are going to expose the guest VM in your KVM or you can configure to use DHCP to assign a static ip address base on the virtual machine virtual MAC address. List the available network by...
KVM/QEMU – Creating a Bridge in Netplan and Defining the Bridge in QEMU with virsh define – Ubuntu 20.04
You can find the official Netplan configuration example in the link below. https://netplan.io/examples/#configuration This tutorial will focus on creating a bridge using netplan and define the bridge in QEMU/KVM so that you can attached the bridge to the Guest...
Configure Default Route using ip route – Ubuntu 20.04
While setting up your lab environment sometime it is useful to change the default route. In this tutorial I will show you how to quickly configure the default route and some of the commands to check the config. Using the command ip route add You can use ip route / ip...
Manually Resetting WordPress User Password through SSH
OS: Ubuntu 20.04.2 LTSDB: MariaDB 10.3.34Wordpress: 6.0 In this tutorial I am going to show you how to change the Wordpress User Password through SSH and mysql statement in 6 simple steps. Always backup you configuration before making changes so...
Install Xrdp Server – Debian 11
OS: Debian 11 (Bullseye) Xrdp is the open-source implementation of the Microsoft Remote Desktop Protocol (RDP that allows you to control a remote linux server graphically. For any technical folks especially pentester that are doing web penetration testing using kali...