FireEye Labs has discovered an intriguing new sibling of the njRAT remote access tool (RAT) that one-ups its older “brother” with a couple of diabolically clever features. Created by the same author as njRAT —a freelance coder who goes by the moniker njq8 — the new njw0rm malware has the ability to spread using removable computer storage and can steal login credentials to a popular dynamic DNS service.
The older njRAT was first documented about a year ago by FireEye as Backdoor.LV. Most of the command-and-control (CnC) infrastructure associated with njRAT, like many of its targets, were based in the Middle East. The CnC servers associated with njw0rm are also based in the Middle East, though we have not yet seen njw0rm used in targeted attacks. Continue reading

