Citadel : The Banking Trojan for Cyber Attacks on Banks
Citadel : The Banking Trojan wanna buy one .. Citadel is a banking trojan based on the Zeus source code. A few months after the Zeus source code was leaked, a threat actor using the moniker "AquaBox" was observed on a Russian-language eCrime forum offering Citadel 1.1, a new derivative of Zeus malware. Citadel retained basic Zeus functionality but added modifications to improve the functionality and security of this banking trojan. Citadel developed a community of customers and contributors around the globe that suggested new features and contributed code and modules as part of an ad hoc criminal social network. Capabilities included AES encryption of configuration files and communications with the C2 server, an ability to evade tracking sites, the capacity to block access to security sites on victims' systems, and the ability to record videos of victims' activities. The network of Citadel contributors continued adding innovative features to the trojan, makin