HID Attacks

HID Attack (Human Interface Device Attack): Bad USB

Overview

An HID (Human Interface Device) attack, also known as an HID-based attack or HID spoofing, is a type of attack that takes advantage of the trusted nature of USB input devices, such as keyboards, mice, and game controllers. The attack involves manipulating or emulating a USB HID device to perform malicious actions on a target system.

The concept behind a HID attack is that a USB HID device is recognized by the operating system as a trusted input device, capable of sending keystrokes or commands to interact with the system. By exploiting this trust, an attacker can use a specially crafted USB device or firmware to impersonate a legitimate HID device and execute unauthorized actions on the target system.

One common example of a HID attack is the use of a USB Rubber Ducky, a specialized USB device that can be programmed with keystroke injection scripts (such as Ducky Script) to automate malicious activities. When connected to a target system, the USB Rubber Ducky emulates a keyboard and injects preconfigured keystrokes to execute a sequence of commands.

HID attacks can be used for various purposes, including gaining unauthorized access, bypassing security controls, exfiltrating data, or compromising the integrity of a system. It is important to note that HID attacks, like any other form of hacking, should only be used for ethical and legal purposes with appropriate authorization and consent.

Ducky Script

Ducky Script is a simple scripting language used in the Bad USB community. It was initially developed for the USB Rubber Ducky, a popular hardware keystroke injection tool. Ducky Script allows users to create scripts that emulate keyboard inputs and actions, effectively automating tasks or executing commands on a target system.

Ducky Script is composed of a series of commands, each representing a specific keystroke or action. These commands can include typing text, pressing special keys (such as Enter or Shift), delaying between commands, and executing complex sequences of actions. The syntax of Ducky Script is straightforward and easy to understand, making it accessible to both beginners and experienced users.

for more information:

Simple Ducky ScriptReverse Shell Ducky Script

Bad USB Uses

A Bad USB refers to a USB device or technique that is designed to exploit vulnerabilities or bypass security measures for malicious purposes. Here are some common uses of Bad USB:

1. Keystroke Injection: Bad USB devices can be programmed to simulate keyboard inputs and inject keystrokes into a target system. This technique can be used to automate malicious activities, such as executing commands, downloading and executing malware, or stealing sensitive information.

2. Payload Delivery: Bad USB devices can deliver payloads that include malware, backdoors, or other malicious software onto a target system. These payloads can be designed to compromise the security of the system, gain unauthorized access, or steal sensitive data.

3. Unauthorized Access: Bad USB devices can be used to exploit vulnerabilities in a target system and gain unauthorized access. They can take advantage of weaknesses in USB communication protocols or exploit flaws in device drivers to bypass authentication or other security measures.

4. Data Exfiltration: Bad USB devices can be used to steal data from a target system. They can be programmed to automatically copy or transmit sensitive information, such as login credentials, documents, or personal data, to a remote location controlled by the attacker.

5. Social Engineering Attacks: Bad USB devices can be disguised as legitimate devices or tailored to mimic trusted brands or products. They can be used in social engineering attacks to trick users into connecting them to their systems, unknowingly allowing the execution of malicious actions.

Exemple:

• Bypass security mesures:

Thanks to MDrepairs for the great video !

• Reverse Shell

Thanks to David Bombal for the great video !

• Mr. Robot:

Thanks to Mr. Robot for the great video !

• Haker (The Film):

• A Youtube Social Experience:

Thanks to Liron Segev for the great video !

Content of this Chapter

Classic Bad USBWireless Bad USBKeystroke Injection CableOther Tools Using the Some ConceptSimple Ducky ScriptReverse Shell Ducky ScriptSolution for Bad USB