مدونة الشاعر عبده عبده: May 2020

Friday, May 22, 2020

BurpSuite Introduction & Installation

What is BurpSuite?
Burp Suite is a Java based Web Penetration Testing framework. It has become an industry standard suite of tools used by information security professionals. Burp Suite helps you identify vulnerabilities and verify attack vectors that are affecting web applications. Because of its popularity and breadth as well as depth of features, we have created this useful page as a collection of Burp Suite knowledge and information.

In its simplest form, Burp Suite can be classified as an Interception Proxy. While browsing their target application, a penetration tester can configure their internet browser to route traffic through the Burp Suite proxy server. Burp Suite then acts as a (sort of) Man In The Middle by capturing and analyzing each request to and from the target web application so that they can be analyzed.

Everyone has their favorite security tools, but when it comes to mobile and web applications I've always found myself looking BurpSuite . It always seems to have everything I need and for folks just getting started with web application testing it can be a challenge putting all of the pieces together. I'm just going to go through the installation to paint a good picture of how to get it up quickly.

BurpSuite is freely available with everything you need to get started and when you're ready to cut the leash, the professional version has some handy tools that can make the whole process a little bit easier. I'll also go through how to install FoxyProxy which makes it much easier to change your proxy setup, but we'll get into that a little later.

Requirements and assumptions:

Mozilla Firefox 3.1 or Later Knowledge of Firefox Add-ons and installation The Java Runtime Environment installed

Download BurpSuite from http://portswigger.net/burp/download.htmland make a note of where you save it.

on for Firefox from https://addons.mozilla.org/en-US/firefox/addon/foxyproxy-standard/

If this is your first time running the JAR file, it may take a minute or two to load, so be patient and wait.

Video for setup and installation.

You need to install compatible version of java , So that you can run BurpSuite.

More info

Why Receipt Notifications Increase Security In Signal

This blog post is aimed to express and explain my surprise about Signal being more secure than I thought (due to receipt acknowledgments). I hope you find it interesting, too.

Signal, and especially its state update protocol, the Double Ratchet algorithm, are widely known for significantly increasing security for instant messaging. While most users first see the end-to-end security induced by employing Signal in messaging apps, the properties achieved due to ratcheting go far beyond protecting communication against (active) attackers on the wire. Due to updating the local device secrets via the Double Ratchet algorithm, the protocol ensures that attackers, who temporarily obtain a device's local storage (on which Signal runs), only compromise confidentiality of parts of the communications with this device. Thus, the leakage of local secrets from a device only affects security of a short frame of communication. The exact duration of compromise depends on the messaging pattern among the communicating parties (i.e., who sends and receives when), as the state update is conducted during the sending and receiving of payload messages.

The Double Ratchet

The Double Ratchet algorithm consists of two different update mechanisms: the symmetric ratchet and the asymmetric ratchet. The former updates symmetric key material by hashing and then overwriting it with the hash output (i.e., k:=H(k)). Thus, an attacker, obtaining key material can only predict future versions of the state but, due to the one-wayness of the hash function, cannot recover past states. The asymmetric ratchet consists of Diffie-Hellman key exchanges (DHKE). If, during the communication, party A receives a new DH share g^b as part of a message from the communication partner B, then A samples a new DH exponent a and responds with the respective DH share g^a in the next sent message. On receipt of this DH share, B will again sample a new DH exponent b' and attach the DH share g^b' to the next message to A. With every new DH share, a new DHKE g^ab is computed among A and B and mixed into the key material (i.e., k:=H(k,g^ab)). For clarity, I leave out a lot of details and accuracy. As new DH shares g^a and g^bare generated from randomly sampled DH exponents a and b, and the computation of g^ab is hard if neither a nor b are known, the key material recovers from an exposure of the local secrets to an attacker after a new value g^ab was freshly established and mixed into it. Summing up this mechanism, if an attacker obtains the local state of a Signal client, then this attacker cannot recover any previously received message (if the message itself was not contained in the local state), nor can it read messages that are sent after a new g^ab was established and mixed into the state. The latter case happens with every full round-trip among A and B (i.e., A receives from B, A sends to B, and A receives again from B).

Conceptual depiction of Double Ratchet in Signal two years ago (acknowledgments were only protected between client and server). The asymmetric ratchet fully updates the local secrets after one round-trip of payload messages.

Research on Ratcheting

During the last two years, the Signal protocol inspired the academic research community: First, a formal security proof of Signal was conducted [1] and then ratcheting was formalized as a generic primitive (independent of Signal) [2,3,4]. This formalization includes security definitions that are derived via 1. defining an attacker, 2. requiring security unless it is obvious that security cannot be reached. Protocols, meeting this optimal notion of security, were less performant than the Double Ratchet algorithm [3,4]. However, it became evident that the Double Ratchet algorithm is not as secure as it could be (e.g., recovery from exposure could be achieved quicker than after a full round-trip; see, e.g., Appendix G of our paper [3]). Afterwards, protocols (for slightly weakened security notions) were proposed that are similarly performant as Signal but also a bit more secure [5,6,7].

Protecting Acknowledgments ...

In our analysis of instant messaging group chats [8] two years ago (blog posts: [9,10]), we found out that none of the group chat protocols (Signal, WhatsApp, Threema) actually achieves real recovery from an exposure (thus the asymmetric ratchet is not really effective in groups; a good motivation for the MLS project) and that receipt acknowledgments were not integrity protected in Signal nor WhatsApp. The latter issue allowed an attacker to drop payload messages in transmission and forge receipt acknowledgments to the sender such that the sender falsely thinks the message was received. Signal quickly reacted on our report by treating acknowledgments as normal payload messages: they are now authenticated(-encrypted) using the Double Ratchet algorithm.

... Supports Asymmetric Ratchet

Two years after our analysis, I recently looked into the Signal code again. For a training on ratcheting I wanted to create an exercise for which the lines in the code should be found that execute the symmetric and the asymmetric ratchet respectively. Somehow I observed that the pure symmetric ratchet (only updates via hash functions) was nearly never executed (especially not when I expected it) when lively debugging the app but almost always new DH shares were sent or received. I realized that, due to encrypting the receipt acknowledgments now, the app always conducts full round-trips with every payload message. In order to observe the symmetric ratchet, I needed to temporarily turn on the flight mode on my phone such that acknowledgments are not immediately returned.

Conceptual depiction of Double Ratchet in Signal now (acknowledgments encrypted). The asymmetric ratchet fully updates the local secrets after an acknowledgment for a message is received.

Consequently, Signal conducts a full DHKE on every sent payload message (in case the receiving device is not offline) and mixes the result into the state. However, a new DH exponent is always already sampled on the previous receipt (see sketch of protocol above). Thus, the exponent for computing a DHKE maybe remained in the local device state for a while. In order to fully update the state's key material, two round-trips must be initiated by sending two payload messages and receiving the resulting two acknowledgments. Please note that not only the mandatory receipt acknowledgments are encrypted but also notifications on typing and reading a message.

If you didn't understand exactly what that means, here a tl;dr: If an attacker obtains your local device state, then with Signal all previous messages stay secure and (if the attacker does not immediately use these secrets to actively manipulate future conversations) all future messages are secure after you wrote two messages (and received receipt acknowledgments) in all of your conversations. Even though this is very (in practice certainly sufficiently) secure, recent protocols provide stronger security (as mentioned above) and it remains an interesting research goal to increase their performance.

[1] https://eprint.iacr.org/2016/1013.pdf
[2] https://eprint.iacr.org/2016/1028.pdf
[3] https://eprint.iacr.org/2018/296.pdf
[4] https://eprint.iacr.org/2018/553.pdf
[5] https://eprint.iacr.org/2018/889.pdf
[6] https://eprint.iacr.org/2018/954.pdf
[7] https://eprint.iacr.org/2018/1037.pdf
[8] https://eprint.iacr.org/2017/713.pdf
[9] https://web-in-security.blogspot.com/2017/07/insecurities-of-whatsapps-signals-and.html
[10] https://web-in-security.blogspot.com/2018/01/group-instant-messaging-why-baming.html

DSniff

"dsniff is a collection of tools for network auditing and penetration testing. dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy passively monitor a network for interesting data (passwords, e-mail, files, etc.). arpspoof, dnsspoof, and macof facilitate the interception of network traffic normally unavailable to an attacker (e.g, due to layer-2 switching). sshmitm and webmitm implement active monkey-in-the-middle attacks against redirected SSH and HTTPS sessions by exploiting weak bindings in ad-hoc PKI." read more...

Website: http://www.monkey.org/~dugsong/dsniff/

Related news

Hacking Facebook By Using PHP Script | Social Engineering Attack | LAN And WAN (Same Or Different Networks)

This Video is absolutely for Educational Purposes only, please don't do any illegal activity. If you do then I'm not responsible for your illegal activity. The purpose of this video is to show you How hackers can hack your social media by using their own local servers.

Basically these type of attacks known as Social Engineering attacks or Phishing. Attacker just send the duplicate vulnerable HTML page to the victim, when victim enters any type of information to that vulnerable page it'll automatically received by the attacker.

Phishing is a form of fraud in which an attacker masquerades as a reputable entity or person in email or other communication channels. The attacker uses phishing emails to distribute malicious links or attachments that can perform a variety of functions, including the extraction of login credentials or account information from victims.

How phishing works

Phishing attacks typically rely on social networking techniques applied to email or other electronic communication methods, including direct messages sent over social networks, SMS text messages and other instant messaging modes.

Phishers may use social engineering and other public sources of information, including social networks like LinkedIn, Facebook and Twitter, to gather background information about the victim's personal and work history, his interests, and his activities.

Hacking by PHP

As PHP is server side scripting language so first of all you have need to install a local server (WAMP, XAMPP or LAMPP) over your system. Because if there is no any server running on your system then you can't even run your PHP script. So if you wanna do a programming with PHP this is the first step to download and install a server from the Internet. You can easily download and install servers by watching my videos. Just visit my YouTube channel and watch there.

If you're Windows user, 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 OSIF-master zip file.
Then unzip it.
Open CMD or PowerShell at the OSIF folder you have just unzipped and enter these commands:pip install -r requirements.txt python osif.py

Before you use OSIF, make sure that:

Turn off your VPN before using this tool.
Do not overuse this tool.
if you are confused how to use it, please type help to display the help menu or watch the video below.

How to use OSIF?

Download OSIF

10 Best Wifi Hacking Android Apps To Hack Others Wifi (Without Root)

Top 10 Best wifi hacking apps to hack wifi^s.

Today, a smartphone without internet is like a decade ago featured phone which is mainly used to dial and receive the call. No one would even want such a phone today. The Internet is now a necessity for every mobile user. They can't live without the internet and unfortunately; if the Internet is not working due to some signal issues; they get frustrated and sometimes depressed too.

Generally, we need to pay for the Internet subscription package to run mobile data on our smartphone. But what to do if I don't want to spend money on the Internet? The solution is to connect your mobile with WiFi. You can access the internet from there. Easy, right? NO, it's not easy until you know the password of WiFi. But what if you don't know.

Two ways possible in this situation

Either you ask for the password to the owner; he will provide you to use his internet through Wi-Fi
You have to hack the Wi-Fi password of other's network and use the internet as an unauthorized person.

First is not reliable when you don't know the person so, you only have a second option. Today, I am going to share a few apps that help you steal the password and allow you to use the internet from others' account.

1. WiFi WPS WPA Tester

This is the foremost tool to hack the WiFi password without knowing even the root. This is a preferred choice of numerous smartphone users to decipher the pin and get access to the Wi-Fi. As time passes, a tool is upgraded and now even hack the WiFi networks while it was used to check if an access point is highly vulnerable to the rancorous attacks or not.

If you are using Lollipop or above version on your android mobile phone; you don't even need to root your device to crack a WiFi network.

Android App

Pros

Easy to use
Free
Decrypt the password in no time.
Implementation of several algos like Zhao, Arris, Dlink and more.

Cons

Need root access if you are using the version below Lollipop.

2. WPS Connect

Routers which has enabled a WPS protocol can be hacked with this app. The important thing is that almost all routers found in public places and homes fall under this category. In short, you will have what you want. Moreover, you can focus on your router & examine that it's vulnerable to any malicious attack or not. It helps you hack the WiFi password without root and also strengthen your WiFi network.

Once you identify the vulnerable (accessible) network, you can quickly get the password and start using the internet without any hassle. It uses algorithms like easyboxPIN and Zhao. Although, this app is not compatible with various Android phones as it is tested on Android devices like the Galaxy series, Nexus and more.

Android App

Pros

It's free and easy to use
Powerful algorithms (Zhao & easyboxPin) to crack the password
Supports pinning of Wi-Fi routers

Cons

Incompatible with few android devices
Couldn't identify the network automatically.

3. WiFi WPS WPA Tester Premium

This is an excellent app to decrypt the WiFi network password on your android phone. This works fine on rooted & non-rooted android phones. If you can root the Android device; you can have a better chance to hack into. Today, security is the primary concern and so, many people use the highly secured wireless router, I think. For such networks, this app will not work as it should be. But, still it can work for numerous times with the help of WPS; not all the time. Every time, you have to try your luck to get access to other's WiFi network. This WPS WPA tester is a premium apk.

Android App

Pros

Works for both rooted and non-rooted android devices
Find the nearby network and connect your mobile with it.

Cons

It's a premium apk.
You have to try your luck to get access to the nearby network.
Not good to connect with highly secured wireless routers.

4. AndroDumpper Wifi (WPS Connect) – Discontinued

If you want to connect to a router which is WPS enabled; download this app immediately without going down to browse for other apps. Just open the app, start its interface & find the nearby wireless networks, you want to connect with. The app will provide an excellent option to regain the password of a selected network with & without root. Once you implemented the algorithm; it will display the password in app screen & connect to the network. Isn't it easy for you?

Android App

Pros

It's Free on Google Play Store
Easy to use and faster than some other tool.
Works fine for rooted & non-rooted devices
A dedicated blog is available for the tool (Get guidance anytime)
Supports for giant company routers (Vodaphone, Asus, Huawei, Dlink, etc.)

Cons

Rooting is required if you are using a version below android 5.0
Works only for WPS enabled routers.

5. Wi-fi Password Hacker Prank

Wifi Password hacker prank is a free app for the android users and can help you to connect your android phone to wifi networks available nearby. This free app simulates a process of hacking the wireless network with your smartphone. With this app, you can hack all wifi network passwords with just one key. The Prank word itself says it's a funny app used to prank with your friends. Sometimes, girls can be impressed with this prank as well. But try this at your own risk. Look excellent and professional in front of your friends and colleagues.

Steps to Hack Wifi using the Wifi Password Hacker Prank:

Catch up the wireless networks near to you and then select the secure network you wish to hack.
Wait for a while & a dialogue will be opened with the wifi password.
Bingo! Paste the password and start using others' Internet without spending single money.
Watch your favourite show and movie in High-Definition quality without worrying about your mobile data.

Android App

6. WiFi Warden

WiFi Warden is one of the finest and free android WiFi hacking apps to get access to others WiFi with ease. With WiFi Warden, a user can Analyze the WiFi networks, connect to your WiFi using the passphrase and WPS and view saved WiFi passwords without root.

By analyzing the WiFi networks, you can see all necessary information that can be discovered on the wireless networks around including BSSID, SSID, Channel bandwidth, encryption, security, router manufacturer, distance and channel number, etc.

Android App

Pros

Find the less crowded channel to get WiFi access.
You can root your device on all Android versions.
Easy to use and connect with the router quickly.
All features of this app are available for free.

Cons

This app doesn't work on all types of router, use a passphrase instead.
Access Point (AP) must have enabled WPS.
Require Android version 6 (Marshmallow) or higher version is necessary to display Wi-Fi networks around you.
Some of the features are in the testing phase. So, use it your own risk.

7. WiFi Password

'WiFi Password' is a completely free app for those who don't want to get away from the Internet even when their internet data is running out. You can connect with others' WiFi routers and use their Internet.

If you are using Android Version 5 or above; 'WiFi Password' can be the right choice for you to watch your favorite shows on YouTube in HD without even worrying about Mobile Data.

Android App

Pros:

Millions of WiFi Hotspots
Scan and detect the WiFi security
Connect WiFi Hotspot nearby without knowing the WiFi Password
You can simply add a free WiFi Hotspot by sharing the passwords with others.

Cons :

Still, there are some glitches in it but works well.

8. WiFi Kill Pro

WiFi Kill is one the best WiFi network controller application which can disable the Internet connection of others who are connected to the same network. Yes, this is true. It is a useful tool for internet users who want to improve their data speed by disabling other's internet connection and allocate all the bandwidth to your device only.

Currently, this app is only for Android users and needs root access to perform well.

Android App

Pros

- You can see all connected device on the same network you are connected.
- Display the data transfer rate of all devices
- Monitor network activity
- You can cut the network connection of any connected device.
It works well on tablets too.

Cons

- Require root access
Require Android version 4.0.3 or up to use this app.

9. Penetrate Pro

A popular Wifi hacker app for android users, Penetrate pro is free and works well on Android devices. This app is widely used to find WEP and/or WPA keys to connect the devices with network routers without knowing the wifi password. Just install the app and search for the network; this app starts automatically displaying the WEP/WPA keys on the screen. Tap on the network you want to connect; one it gets connected; you can start watching videos on YouTube. Quite interesting, doesn't it?

Android App

Pros

- Easy to search nearby free wifi networks.
- Connect the network without knowing keys
Available for Free

Cons

- Not available on Google Play Store; need to download manually.
Works well only for the rooted android devices

So, you have got the list of apps that help you use the internet from other's wireless network without getting caught. If you have any idea of any other Wi-Fi password hacking app; just let me know. We would love to discuss it here.

Disclaimer: VR Bonkers is not responsible for any consequences if you face while using any of the above apps. This is just a list and we are not taking any responsibility for the same. So, use them at your risk.

@EVERYTHING NT

Hacktivity 2018 Badge - Quick Start Guide For Beginners

You either landed on this blog post because

you are a huge fan of Hacktivity
you bought this badge around a year ago
you are just interested in hacker conference badge hacking.

or maybe all of the above. Whatever the reasons, this guide should be helpful for those who never had any real-life experience with these little gadgets.

But first things first, here is a list what you need for hacking the badge:

a computer with USB port and macOS, Linux or Windows. You can use other OS as well, but this guide covers these
USB mini cable to connect the badge to the computer
the Hacktivity badge from 2018

By default, this is how your badge looks like.

Let's get started

Luckily, you don't need any soldering skills for the first steps. Just connect the USB mini port to the bottom left connector on the badge, connect the other part of the USB cable to your computer, and within some seconds you will be able to see that the lights on your badge are blinking. So far so good.

Now, depending on which OS you use, you should choose your destiny here.

Linux

The best source of information about a new device being connected is

# dmesg

The tail of the output should look like

[267300.206966] usb 2-2.2: new full-speed USB device number 14 using uhci_hcd
[267300.326484] usb 2-2.2: New USB device found, idVendor=0403, idProduct=6001
[267300.326486] usb 2-2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[267300.326487] usb 2-2.2: Product: FT232R USB UART
[267300.326488] usb 2-2.2: Manufacturer: FTDI
[267300.326489] usb 2-2.2: SerialNumber: AC01U4XN
[267300.558684] usbcore: registered new interface driver usbserial_generic
[267300.558692] usbserial: USB Serial support registered for generic
[267300.639673] usbcore: registered new interface driver ftdi_sio
[267300.639684] usbserial: USB Serial support registered for FTDI USB Serial Device
[267300.639713] ftdi_sio 2-2.2:1.0: FTDI USB Serial Device converter detected
[267300.639741] usb 2-2.2: Detected FT232RL
[267300.643235] usb 2-2.2: FTDI USB Serial Device converter now attached to ttyUSB0

Dmesg is pretty kind to us, as it even notifies us that the device is now attached to ttyUSB0.

From now on, connecting to the device is exactly the same as it is in the macOS section, so please find the "Linux users, read it from here" section below.

macOS

There are multiple commands you can type into Terminal to get an idea about what you are looking at. One command is:

# ioreg -p IOUSB -w0 -l

With this command, you should get output similar to this:

+-o FT232R USB UART@14100000  <class AppleUSBDevice, id 0x100005465, registered, matched, active, busy 0 (712 ms), retain 20>
    |   {
    |     "sessionID" = 71217335583342
    |     "iManufacturer" = 1
    |     "bNumConfigurations" = 1
    |     "idProduct" = 24577
    |     "bcdDevice" = 1536
    |     "Bus Power Available" = 250
    |     "USB Address" = 2
    |     "bMaxPacketSize0" = 8
    |     "iProduct" = 2
    |     "iSerialNumber" = 3
    |     "bDeviceClass" = 0
    |     "Built-In" = No
    |     "locationID" = 336592896
    |     "bDeviceSubClass" = 0
    |     "bcdUSB" = 512
    |     "USB Product Name" = "FT232R USB UART"
    |     "PortNum" = 1
    |     "non-removable" = "no"
    |     "IOCFPlugInTypes" = {"9dc7b780-9ec0-11d4-a54f-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
    |     "bDeviceProtocol" = 0
    |     "IOUserClientClass" = "IOUSBDeviceUserClientV2"
    |     "IOPowerManagement" = {"DevicePowerState"=0,"CurrentPowerState"=3,"CapabilityFlags"=65536,"MaxPowerState"=4,"DriverPowerState"=3}
    |     "kUSBCurrentConfiguration" = 1
    |     "Device Speed" = 1
    |     "USB Vendor Name" = "FTDI"
    |     "idVendor" = 1027
    |     "IOGeneralInterest" = "IOCommand is not serializable"
    |     "USB Serial Number" = "AC01U4XN"
    |     "IOClassNameOverride" = "IOUSBDevice"
    |   }

The most important information you get is the USB serial number - AC01U4XN in my case.
Another way to get this information is

# system_profiler SPUSBDataType

which will give back something similar to:

FT232R USB UART:

          Product ID: 0x6001
          Vendor ID: 0x0403  (Future Technology Devices International Limited)
          Version: 6.00
          Serial Number: AC01U4XN
          Speed: Up to 12 Mb/sec
          Manufacturer: FTDI
          Location ID: 0x14100000 / 2
          Current Available (mA): 500
          Current Required (mA): 90
          Extra Operating Current (mA): 0

The serial number you got is the same.

What you are trying to achieve here is to connect to the device, but in order to connect to it, you have to know where the device in the /dev folder is mapped to. A quick and dirty solution is to list all devices under /dev when the device is disconnected, once when it is connected, and diff the outputs. For example, the following should do the job:

ls -lha /dev/tty* > plugged.txt
ls -lha /dev/tty* > np.txt
vimdiff plugged.txt np.txt

The result should be obvious, /dev/tty.usbserial-AC01U4XN is the new device in case macOS. In the case of Linux, it was /dev/ttyUSB0.

Linux users, read it from here. macOS users, please continue reading

Now you can use either the built-in screen command or minicom to get data out from the badge. Usually, you need three information in order to communicate with a badge. Path on /dev (you already got that), speed in baud, and the async config parameters. Either you can guess the speed or you can Google that for the specific device. Standard baud rates include 110, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, 128000 and 256000 bits per second. I usually found 1200, 9600 and 115200 a common choice, but that is just me.
Regarding the async config parameters, the default is that 8 bits are used, there is no parity bit, and 1 stop bit is used. The short abbreviation for this is 8n1. In the next example, you will use the screen command. By default, it uses 8n1, but it is called cs8 to confuse the beginners.

If you type:
# screen /dev/tty.usbserial-AC01U4XN 9600
or
# screen /dev/ttyUSB0 9600
and wait for minutes and nothing happens, it is because the badge already tried to communicate via the USB port, but no-one was listening there. Disconnect the badge from the computer, connect again, and type the screen command above to connect. If you are quick enough you can see that the amber LED will stop blinking and your screen command is greeted with some interesting information. By quick enough I mean ˜90 seconds, as it takes the device 1.5 minutes to boot the OS and the CTF app.

Windows

When you connect the device to Windows, you will be greeted with a pop-up.

Just click on the popup and you will see the COM port number the device is connected to:

In this case, it is connected to COM3. So let's fire up our favorite putty.exe, select Serial, choose COM3, add speed 9600, and you are ready to go!

You might check the end of the macOS section in case you can't see anything. Timing is everything.

The CTF

Welcome to the Hacktivity 2018 badge challenge!

This challenge consists of several tasks with one or more levels of
difficulty. They are all connected in some way or another to HW RE
and there's no competition, the whole purpose is to learn things.

Note: we recommend turning on local echo in your terminal!
Also, feel free to ask for hints at the Hackcenter!

Choose your destiny below:

  1. Visual HW debugging
  2. Reverse engineering
  3. RF hacking
  4. Crypto protection

Enter the number of the challenge you're interested in and press [

Excellent, now you are ready to hack this! In case you are lost in controlling the screen command, go to https://linuxize.com/post/how-to-use-linux-screen/.

I will not spoil any fun in giving out the challenge solutions here. It is still your task to find solutions for these.

But here is a catch. You can get a root shell on the device. And it is pretty straightforward. Just carefully remove the Omega shield from the badge. Now you see two jumpers; by default, these are connected together as UART1. As seen below.

But what happens if you move these jumpers to UART0? Guess what, you can get a root shell! This is what I call privilege escalation on the HW level :) But first, let's connect the Omega shield back. Also, for added fun, this new interface speaks on 115200 baud, so you should change your screen parameters to 115200. Also, the new interface has a different ID under /dev, but I am sure you can figure this out from now on.

If you connect to the device during boot time, you can see a lot of exciting debug information about the device. And after it boots, you just get a root prompt. Woohoo!

But what can you do with this root access? Well, for starters, how about running

# strings hello | less

From now on, you are on your own to hack this badge. Happy hacking.

Big thanks to Attila Marosi-Bauer and Hackerspace Budapest for developing this badge and the contests.

PS: In case you want to use the radio functionality of the badge, see below how you should solder the parts to it. By default, you can process slow speed radio frequency signals on GPIO19. But for higher transfer speeds, you should wire the RF module DATA OUT pin with the RX1 free together.

More info

Ethical Hacking Platform For Penetration Testing | How To Hack The Invite Code: Join Hack The Box (HTB)

Hack The Box

Hack The Box (HTB) is a free platform available to ethical hackers to do a penetration testing for ethical hacking projects. It consist of different type of challenges that are updated constantly. Some of the challenges related to the real world scenarios and rest of the challenges related to learning towards a CTF style of challenges.
Before joining to HTB, there is a simple task for you to prove your skills after that you'll able to create an account, and then you'll be able to access to your HTB Lab, where several challenges await for you to hack them. That's the beginning step for all of us to joining this. If you got success while hacking then you'll get points.

Task For Joining The HTB

Before joining the HTB, there is a task to hack invite code and paste that code in the code box for further registration to your account. You can complete a simple challenge to prove your skills, if you don't hack that then here is a short video below this content about hacking the invite code. Watch the video and hack the code!

In this Video you'll learn about How to join Hack the box (HTB) in Kali Linux and other Linux Distributions.

As a reference here are the two device options I used in the video and the needed cable:

Hardware Used:

Get OBD2 Cable:
https://amzn.to/2QSmtyL

Get CANtact:
https://amzn.to/2xCqhMt

Get USB2CAN:
https://shop.8devices.com/usb2can

Creating Network Interfaces:

As a reference here are the commands from the video for creating a CAN network interface:

USB2Can Setup:

The following command will bring up your can interface and you should see the device light color change:

sudo ip link set can0 up type can bitrate 125000

Contact Setup:

Set your jumpers on 3,5 and 7 as seen in the picture in the video

Sudo slcand -o -s6 /dev/ttyACM can0 <— whatever device you see in your DMESG output

Ifconfig can0 up

Summary:

That should get you started connecting to physical cars and hacking around. I was also doing a bit of python coding over these interfaces to perform actions and sniff traffic. I might post that if anyone is interested. Mostly I have been hacking around on blockchain stuff and creating full course content recently so keep a look out for that in the future.

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Friday, May 22, 2020

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Linux

macOS

Linux users, read it from here. macOS users, please continue reading

Windows

The CTF

More info

Hack The Box

Task For Joining The HTB

Hardware Used:

Creating Network Interfaces:

Summary:

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