New Malware Discovered Targeting Small Office/Home Office Routers

New Malware Discovered Targeting Small Office/Home Office Routers

For the third time in the past year, Black Lotus Labs–the threat research arm of Lumen Technologies– has discovered a new malware that targets small office/home office (SOHO) routers. Discovery of the malware dubbed "AVrecon" came as the U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued warnings about SOHO routers, including a binding operational directive in June and a cybersecurity advisory in May.

Using Lumen's global network visibility to gather a 28-day snapshot of AVrecon, Black Lotus Labs determined the malware has infiltrated more than 70,000 machines and gained persistent hold in more than 40,000 of them in 20 countries. This makes AVrecon one of the largest SOHO router-targeting botnets ever seen.

"Our network visibility enables us to see threats other researchers cannot see, and once again we have discovered a new malware that targets SOHO routers," said Michelle Lee, director of threat intelligence for Lumen Black Lotus Labs. "This time it went undetected for two years and grew to a staggering 40,000-strong botnet."

SOHO routers pose a serious threat because these devices are not always automatically patched and updated – nor are they regularly monitored – which significantly decreases the ability to detect malicious activity. With the prevalence of remote workers, corporate network defenders should take the following precautions:

  • Continue to look for attacks on weak credentials and suspicious login attempts, even when they originate from residential IP addresses.
  • Be aware that threat actors can spawn a remote shell and deploy subsequent modules.
  • Protect cloud assets from communicating with bots that are attempting to perform password spraying attacks and begin blocking Indicators of Compromise (IoCs) with Web Application Firewalls.
  • Consumers who use SOHO routers should regularly reboot their devices and install security updates and patches where available.

Featured

  • Maximizing Your Security Budget This Year

    7 Ways You Can Secure a High-Traffic Commercial Security Gate  

    Your commercial security gate is one of your most powerful tools to keep thieves off your property. Without a security gate, your commercial perimeter security plan is all for nothing. Read Now

  • Survey: Only 13 Percent of Research Institutions Are Prepared for AI

    A new survey commissioned by SHI International and Dell Technologies underscores the transformative potential of artificial intelligence (AI) while exposing significant gaps in preparedness at many research institutions. Read Now

  • Survey: 70 Percent of Organizations Have Established Dedicated SaaS Security Teams

    Seventy percent of organizations have prioritized investment in SaaS security, establishing dedicated SaaS security teams, despite economic uncertainty and workforce reductions. This was a key finding in the fourth Annual SaaS Security Survey Report: 2025 CISO Plans and Priorities released today by the Cloud Security Alliance (CSA), the world’s leading organization dedicated to defining standards, certifications, and best practices to help ensure a secure cloud computing environment. Read Now

  • Mobile Applications Are Empowering Security Personnel

    From real-time surveillance and access control management to remote monitoring and communications, a new generation of mobile applications is empowering security personnel to protect people and places. Mobile applications for physical security systems are emerging as indispensable tools to enhance safety. They also offer many features that are reshaping how modern security professionals approach their work. Read Now

Featured Cybersecurity

Webinars

New Products

  • AC Nio

    AC Nio

    Aiphone, a leading international manufacturer of intercom, access control, and emergency communication products, has introduced the AC Nio, its access control management software, an important addition to its new line of access control solutions. 3

  • A8V MIND

    A8V MIND

    Hexagon’s Geosystems presents a portable version of its Accur8vision detection system. A rugged all-in-one solution, the A8V MIND (Mobile Intrusion Detection) is designed to provide flexible protection of critical outdoor infrastructure and objects. Hexagon’s Accur8vision is a volumetric detection system that employs LiDAR technology to safeguard entire areas. Whenever it detects movement in a specified zone, it automatically differentiates a threat from a nonthreat, and immediately notifies security staff if necessary. Person detection is carried out within a radius of 80 meters from this device. Connected remotely via a portable computer device, it enables remote surveillance and does not depend on security staff patrolling the area. 3

  • Automatic Systems V07

    Automatic Systems V07

    Automatic Systems, an industry-leading manufacturer of pedestrian and vehicle secure entrance control access systems, is pleased to announce the release of its groundbreaking V07 software. The V07 software update is designed specifically to address cybersecurity concerns and will ensure the integrity and confidentiality of Automatic Systems applications. With the new V07 software, updates will be delivered by means of an encrypted file. 3