Microsoft on Thursday disclosed an "extensive series of credential phishing campaigns" that takes advantage of a custom phishing kit that stitched together components from at least five different widely circulated ones with the goal of siphoning user login information.
The tech giant's Microsoft 365 Defender Threat Intelligence Team, which detected the first instances of the tool in the wild in December 2020, dubbed the copy-and-paste attack infrastructure "TodayZoo."
"The abundance of phishing kits and other tools available for sale or rent makes it easy for a lone wolf attacker to pick and choose the best features from these kits," the researchers said. "They put these functionalities together in a customized kit and try to reap the benefits all to themselves. Such is the case of TodayZoo.