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Emerson

About Osueta?
Osueta it's a simple Python 2 script to exploit the OpenSSH User Enumeration Timing Attack, present in OpenSSH versions <= 7.2 and >= 5.*. The script has the ability to make variations of the username employed in the bruteforce attack, and the possibility to establish a DoS condition in the OpenSSH server.

Read more: OpenSSH User Enumeration Time-Based Attack

The bug was corrected in OpenSSH version 7.3.

Authors of Osueta:

c0r3dump3d: coredump@autistici.org
rofen: rofen@gmx.de

Osueta's Installation
For Linux users, open your Terminal and enter these commands:
If you're Windows users, follow these steps:

Install Python 2.7.x from Python.org first. On Install Python 2.7.x Setup, choose Add python.exe to Path.
Download Osueta-master zip file.
Then unzip it.
Open CMD or PowerShell window at the Osueta folder you have just unzipped and enter these commands:
pip install python-nmap paramiko IPy
python osueta.py -h

Advice: Like others offensive tools, the authors disclaims all responsibility in the use of this script.

Osueta help menu:

Osueta's examples:
A single user enumeration attempt with username variations:
python2 osueta.py -H 192.168.1.6 -p 22 -U root -d 30 -v yes

A single user enumeration attempt with no user variations a DoS attack:
python2 osueta.py -H 192.168.1.6 -p 22 -U root -d 30 -v no --dos yes

Scanning a C class network with only one user:
python2 osueta.py -H 192.168.1.0/24 -p 22 -U root -v no

Scanning a C class network with usernames from a file, delay time 15 seconds and a password of 50000 characters:
python2 osueta.py -H 192.168.1.0/24 -p 22 -L usernames.txt -v yes -d 15 -l 50

Download Osueta

More info

Emerson

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Emerson

Ever wanted to block someone from the network or limit their bandwidth without having the network admin privileges? Well Evil Limiter has got you covered then.

An amazing tool to help you control your network without having access to the admin panel.
Today I'm gonna show you how to use this interesting tool to take control of your network.

Requirements:

1. A PC or Laptop with Linux OS.
2. A Network Adapter.
3. Access to the Network you want to control.
4. sudo or root access on your Linux OS.

First of all we will download the tool from its github repository:
https://github.com/bitbrute/evillimiter

You can download and extract the zip file from the link above or you can clone evillimiter repository using git like this:

git clone https://github.com/bitbrute/evillimiter

Now lets install the downloaded tool on our machine
Step 1: Move inside the downloaded github repository

cd evillimiter

Step 2: To install type

sudo python3 setup.py install

wait for the installation to finish (May take some time)

Step 3: To run type

sudo evilimiter

Voila! That's it, you got it up and running on your machine

Now how do you control your network with it, its very easy.
It should detect your network automatically but yeah you can set it up manually as well using the command line argument -i.

After you have selected the right interface to control, you need to scan your network for live hosts. To perform the scan type

scan

you can pass an optional flag to the scan command which is range which will help you to specify the range of ip addresses you want to scan like this

scan --range 192.168.1.1-192.168.1.100

The above command will scan a total of 100 hosts from 192.168.1.1 to 192.168.1.100

Now after you have scanned your network next thing is to list the hosts that have been discovered during the scan for that you type the hosts command like this

hosts

Now you know the hosts on your network and now you should know which host you wanna block or limit based on the mac address of the host. Remember the host id of the host that you want to block or limit bandwidth of and lets do the magic.
to block a host from using the internet we simply specify the block command followed by the host id of the host that we want to block like this

block 1

if instead of blocking the host we just want to limit his internet bandwidth we can do just that by using the limit command followed by the host id and then the bandwidth that we want to allocate to that particular host like this

limit 1 100kbits

Wohooo! yeah its that easy and yes you can do all this without having the network admin role.
Now if you want to show mercy on that poor guy (blocked host), you can set him free by using the free command followed by the host id like this:

free 1

Well isn't administrating your network bandwidth so easy now.
Hope you enjoyed this tutorial.:)

Related posts

Emerson

Read more

Sunday, August 30, 2020

Osueta: A Simple Python Script To Exploit The OpenSSH User Enumeration Timing Attack

More info

Memcrashed DDoS Exploit | Install | Github

Related news

Evil Limiter: Taking Control Of Your Network Bandwidth

Requirements:

Saturday, August 29, 2020

Black Hat Python Free PDF

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