Episode Details

Cybercriminals are exploiting outdated routers to build massive proxy networks that hide malware operations, fraud, and credential theft—right under the radar of enterprise defenses. In this episode, Sherri and Matt unpack the FBI’s May 2025 alert, the role of TheMoon malware, and how the Faceless proxy service industrializes anonymity for hire. Learn how these botnets work, why they matter for your enterprise, and what to do next. 

Takeaways 

• Replace outdated routers 
    End-of-life routers should be identified and replaced across your organization, including remote offices and unmanaged home setups. These devices no longer receive patches and are prime targets for compromise. 

• Restrict remote administration 
    If remote access is needed, tightly control it—limit by IP address, use VPN access, and require MFA. Avoid exposing admin interfaces directly to the internet unless absolutely necessary. 

• Patch and harden infrastructure 
    Apply all available firmware updates and follow vendor security guidance. Where possible, segment or monitor legacy network devices that can’t be immediately replaced. 

• Don’t trust domestic IPs 
    Traffic from domestic or residential IP ranges is no longer inherently safe. Compromised routers make malicious activity appear to come from trusted regions. 

• Add proxy abuse to threat intel 
    Incorporate indicators of compromise from Lumen and FBI alerts into detection rulesets. Treat proxy abuse as a key TTP for credential theft, fraud, and malware C2. 
• Report suspected compromise 
    If you identify affected infrastructure or suspicious traffic, report it to IC3.gov. Include IPs, timestamps, device types, and any supporting forensic detail. 

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