
DOJ Charges Arizona Man in RapperBot Botnet Scheme Targeting Gaming Industry
In a significant move against cybercrime, the U.S. Department of Justice (DOJ) has brought charges against an Arizona man for his alleged role in creating and operating a powerful botnet that targeted the online gaming industry.
Michael James Richo, a 22-year-old from Arizona, faces federal charges for allegedly running the RapperBot botnet, a massive network of compromised devices used to launch disruptive cyberattacks. According to the indictment, Richo is charged with conspiracy to violate the Computer Fraud and Abuse Act (CFAA) and a substantive violation of the CFAA, carrying a potential combined sentence of up to 15 years in prison.
What is the RapperBot Botnet?
The RapperBot botnet is a network of thousands of infected electronic devices, primarily focused on launching Distributed Denial-of-Service (DDoS) attacks. A DDoS attack works by overwhelming a target’s servers with a flood of internet traffic, making websites, games, or online services inaccessible to legitimate users.
Key characteristics of the RapperBot operation include:
- Based on Mirai Malware: The botnet is a variant of the notorious Mirai malware, which gained infamy for its ability to scan the internet and infect vast numbers of poorly secured devices.
- Targeting IoT Devices: RapperBot operated by brute-forcing access to Internet of Things (IoT) devices—such as routers, cameras, and smart home gadgets—that were still using default factory passwords or other weak credentials.
- Focus on Telnet Ports: The malware specifically scanned for devices with open Telnet ports, a common (and often insecure) method for remote device management, to gain entry and add the device to its army.
A “DDoS-for-Hire” Criminal Enterprise
The investigation revealed that the RapperBot network wasn’t just for personal use. It was allegedly operated as a “DDoS-for-hire” or “booter” service. This means that other individuals could pay a fee to rent access to the botnet’s power and launch crippling DDoS attacks against their own chosen targets.
The primary victims of these attacks were companies within the online gaming and entertainment industries. By knocking competitors offline or disrupting gaming servers, attackers could cause significant financial and reputational damage. The indictment highlights how this criminal service provided a powerful weapon to malicious actors without requiring them to have any technical expertise of their own.
How to Protect Your Devices from Botnet Attacks
This case is a stark reminder that countless internet-connected devices remain vulnerable to hijacking. Botnets like RapperBot thrive on weak security practices. Here are essential steps you can take to secure your network and prevent your devices from being conscripted into a cyber army.
Change All Default Passwords: This is the single most important step. When you install a new router, camera, or any IoT device, your first action should be to change the default administrator username and password. RapperBot’s success was built on users failing to do this.
Use Strong, Unique Passwords: Avoid simple, easy-to-guess passwords. Use a combination of upper and lowercase letters, numbers, and symbols. Never reuse the same password across multiple devices or services.
Keep Firmware Updated: Device manufacturers regularly release firmware updates that patch security vulnerabilities. Enable automatic updates if the option is available, or periodically check the manufacturer’s website for the latest version.
Disable Unused Services: Many routers and devices have services like Telnet or UPnP enabled by default. If you don’t know what they are or don’t need them, it is safest to disable them in your device’s settings to reduce potential attack vectors.
Utilize a Firewall: Ensure the firewall on your router is enabled. A firewall acts as a barrier between your local network and the internet, blocking unauthorized access attempts.
The charges against the alleged operator of RapperBot demonstrate law enforcement’s commitment to dismantling the infrastructure that fuels online crime. For businesses and individuals, it underscores the critical need for proactive cybersecurity to protect not only your own data but the internet ecosystem as a whole.
Source: https://securityaffairs.com/181342/cyber-crime/doj-takes-action-against-22-year-old-running-rapperbot-botnet.html