DDoS attacks against U.S. banks have been dormant for nearly four weeks, leading security experts to question when and if a new phase of attacks might emerge. The hacktivist group Izz ad-Din al-Qassam Cyber Fighters has taken credit for the DDoS strikes against banks since September. Some observers have speculated that Iran was backing the strikes as payback for cyber-espionage attacks, such as Stuxnet, Flame and Duqu. The FBI in April warned that Brobot had been modified, “in an attempt to increase the effectiveness” with which the botnet’s scripts evade detection””]
Source: https://www.cuinfosecurity.com/are-ddos-attacks-against-banks-over-a-5801