Adversaries may register for web services that can be used during targeting. A variety of popular websites exist for adversaries to register for a web-based service that can be abused during later stages of the adversary lifecycle, such as during Command and Control (Web Service), Exfiltration Over Web Service, or Phishing. Using common services, such as those offered by Google, GitHub, or Twitter, makes it easier for adversaries to hide in expected noise.^[1],[2] By utilizing a web service, adversaries can make it difficult to physically tie back operations to them.

References

1. FireEye Labs. (2015, July). HAMMERTOSS: Stealthy Tactics Define a Russian Cyber Threat Group. Retrieved November 17, 2024.
2. Dvir Sasson. (2024, May 13). GitHub Abuse Flaw Shows Why We Can't Shrug Off Abuse Vulnerabilities in Security. Retrieved March 31, 2025.

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