How To Hack Web Server

How To Hack Web Server – The easy-to-use hacking tools available on Github allow anyone to hack your HTTP(S) enabled product. Follow this tutorial to find out how incredibly easy it is to hack devices on your private network.

Intercepting HTTP(S) traffic and impersonating it is very easy with network security tools like Ettercap and Pineapple. We consider HTTPS “broken” because many Secure Embedded Web Server-enabled products ship with an untrusted certificate, and acting as a man-in-the-middle is as easy as HTTP when the certificate isn’t trusted. We’ll dive into that below.

How To Hack Web Server

A man-in-the-middle can easily extract credentials from an embedded web server, as we’ll show later in this tutorial, but an adversary can do much more by injecting something like a browser exploit box and possibly other sites like the account banking or other sensitive websites to which the user is currently connected. In other words, an insecure web server, including untrusted HTTPS web servers, exposes you to a variety of attacks that are not limited to the embedded web server.

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The video below, created by Microsoft Director Troy Hunt, demonstrates the importance of enabling HTTPS for any web server to protect the user from cross-site scripting, such as the Browser Exploit Framework. We recommend that you watch the entire video as it is very informative.

Near the end of the video above, Troy demonstrates how HTTPS secures a website by displaying a browser alert when a man-in-the-middle intercepts HTTPS traffic. Most TLS-enabled products ship with untrusted certificates. TLS becomes useless if the certificate is not trusted and the user is forced to bypass browser security to access the server. The user is unable to distinguish between a man-in-the-middle certificate and an untrusted server certificate. Next, we’ll present examples that simplify and automate certificate management.

Most embedded web server products are deployed on private networks and most users would think a private network is secure, but what if an adversary breaks into your or a customer’s office and uses any computer in any cubicle to launch an attack? All you’ll need is a USB drive and a custom version of Linux. The adversary doesn’t even need to enter the building if the private WiFi network is enabled and crack the WiFi password. Pineapple has Aircrack-ng built in and can potentially hack your customer’s WiFi network.

One of the simplest man-in-the-middle attacks is to poison the ARP cache using Ettercap. In short, ARP poisoning is forging the address of a machine on the network. The principle behind ARP poisoning/spoofing is to exploit the lack of authentication in the ARP protocol by sending fake ARP messages over the LAN. ARP poisoning is quite simple to perform, as shown in the video below:

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The video above, created by computer systems security expert Loi Liang Yang, shows how easy it is to poison the ARP cache and act like a man in the middle.

The obvious choice is to enable TLS for your embedded web server product, but as explained above, most TLS-enabled products ship with a self-signed certificate, so the product is no more secure than a product without TLS. A TLS-enabled web server is only secure if the browser trusts the server’s certificate, because the browser user cannot distinguish between the middleware and the real device if the certificate is not trusted.

The signer of the certificate is a so-called certificate authority (CA) and this certificate must be pre-installed in the browser’s certificate store.

See the Certificate Management tutorial for a general introduction to public key infrastructure (PKI) and the chain of trust. Building trust the hard way or the easy way

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If your customers are PKI savvy, they may choose to act as their own CA, for example by using the certificate management tool and establish a complete chain of trust for embedded web server products installed on their local network. However, PKI is quite complex, so be sure to read the article Automatic certificate management for devices, which shows two solutions for installing trusted Let’s Encrypt self-signed certificates without configuration (watch the video at the bottom of the page).

As a layman, in the simulation in the middle, copy the JavaScript code below and paste the code into the console window of your browser. Most browsers allow you to open a console window by right-clicking a web page to bring up a context menu. In the menu, select “Inspect” and click on the console tab. Paste the JavaScript code into the console to customize the page. A new rainbow or unicorn will appear on this page every five seconds as you paste the code.

Disclaimer: The above can be avoided by setting a “script-src” content security policy in the server’s HTTP response.

Thanks to the new Let’s Encrypt certificate authority, it is now possible to fully automate the installation of free and trusted certificates for web servers installed on private networks. For details, see Why You Need Automatic Certificate Management for Intranet Web Servers.

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The video below shows how SharkTrust automates the installation of a trusted Let’s Encrypt self-signed certificate on a microcontroller.

Whether it’s a manufacturer, a startup or a large company, we take care of it. Please email if you have any questions or are unsure which product to choose. We are here to help you find the best solution and we really want to help you with your hardware/software project challenges.

Device Management Barracuda App Server Accelerate IoT and edge computing developments with the “Barracuda App Server Network Library”, a compact multi-protocol client/server stack and toolbox with a powerful built-in scripting engine. Includes industry protocols, MQTT clients, SMQ brokers, WebSocket clients and servers, REST, AJAX, XML, and more. Barracuda App Server is a programmable, secure, and intelligent IoT toolkit that scales with a variety of hardware options. TLS Client & Server Stack TLS & IoT Protocols SharkSSL is the smallest, fastest, and best performing integrated TLS stack with encryption enhanced by Real Time Logic. SharkSSL includes several secure IoT protocols. SMQ IoT ProtocolIoT Device Control SMQ enables developers to quickly and cost-effectively provide world-class monitoring functionality to their products. SMQ is an enterprise-ready IoT protocol that enables easier control and management of products at scale. Secure MQTTC Secure MQTT client SharkMQTT is an ultra-compact and secure MQTT client with an integrated TLS stack. SharkMQTT scales easily to tiny microcontrollers.

OPC-UA Client and ServerOPC-UA An easy-to-use OPC UA stack that connects OPC-UA compliant industrial products to cloud services, IT user interfaces and HTML5. Edge ControllerEdge Controller Use the user-programmable Edge Controller as a tool to accelerate the development of next-generation industrial edge products and facilitate the rapid implementation of IoT and IIoT. Local IoT-Local IoT Platform Learn how to use the Barracuda Application Server as a local IoT foundation. WebBarracuda Embedded Server Embedded Web Server The C Web Server Compact Library is part of the Barracuda Application Server protocol suite, but can also be used independently. WebSocket Server Compatible Microcontroller The Minnow miniserver allows you to use modern web server user interfaces as a GUI for miniaturized microcontrollers. Be sure to check out the reference design and Minnow Server Design Guide. WebDAV Server Network File System Why use FTP when you can use your device as a secure network drive. HTTP ClientSecure HTTP Client Library PikeHTTP is a compact and secure HTTP C-client library that greatly simplifies the design of HTTP/REST-style applications in C or C++. WebSocket Client Friendly Microcontroller The built-in WebSocket C library allows developers to design small and secure IoT applications based on the WebSocket protocol. SMTP ClientSecure Integrated SMTP Library Send alerts and other notifications from any microcontroller-based product. Cryptographic library RayCrypto library C The RayCrypto engine is an extremely small and fast integrated cryptographic library designed specifically for resource-constrained embedded devices. Integrated PKI Service Automated SSL Certificate Management for Devices Logic’s real-time SharkTrust™ service is an automated PKI (Public Key Infrastructure) solution for products with an integrated web server. ModbusModbus TCP Client The Modbus client allows you to connect Modbus compliant industrial products to modern HTML5 based HMI and IoT devices. Over the past decade, more people have access to the internet than ever before. Many organizations develop web-based applications that allow users to interact with them. However, misconfiguration and poorly written codes on web servers pose a threat and can be used to gain unauthorized access to sensitive data on servers.

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This article attempts to provide an overview of web servers. We will cover some topics like how server works, best web servers in the industry, web server vulnerabilities, web server attacks, tools to protect against such attacks and some countermeasures.

Among the biggest attacks on a web server is hacking

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