The Pentagon Tried to Take Down These Hackers. They’re Back.. The Russian-speaking hacking group, sometimes referred to by th e name of the malware it uses, Trickbot, has gone after millions of victims around the globe, stealing victims’ banking credentials and facilitating ransomware attacks that have left businesses scrambling to pay hefty extortion demands for years. And now, even though the Pentagon’s U.S. Cyber Command tried to put a dent in the gang’s operations last year, there are signs the hacking gang is working behind the scenes, quietly updating its malware to monitor victims and gather intelligence.