Cutwail-Like Spambot Hides Malicious Activity in its TrafficA spambot that behaves similarly to the Cutwail botnet has been discovered. It not only sends out spam messages, but also contains a data-stealing component. Researchers said the malware sends out a good deal of traffic and hides its malicious activity in its own traffic.
Source:
Cutwail-Like Spambot Hides Malicious Activity in its Traffic