Adversaries may compromise numerous third-party systems to form a botnet that can be used during targeting. A botnet is a network of compromised systems that can be instructed to perform coordinated tasks.[1] Instead of purchasing/renting a botnet from a booter/stresser service, adversaries may build their own botnet by compromising numerous third-party systems.[2] Adversaries may also conduct a takeover of an existing botnet, such as redirecting bots to adversary-controlled C2 servers.[3] With a botnet at their disposal, adversaries may perform follow-on activity such as large-scale Phishing or Distributed Denial of Service (DDoS).

References

  1. Norton. (n.d.). What is a botnet?. Retrieved October 4, 2020.
  2. Imperva. (n.d.). Booters, Stressers and DDoSers. Retrieved October 4, 2020.
  3. Dell SecureWorks Counter Threat Unit Threat Intelligence. (2015, October 13). Dridex (Bugat v5) Botnet Takeover Operation. Retrieved May 31, 2019.

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