Malicious RTF document leading to NetwiredRC and Quasar RAT

Malware authors use a variety of clever methods to lure users into executing malicious documents. But the ThreatLabZ team recently observed a social engineering campaign with a unique approach. In these cases, malicious RTF documents basically force users to execute an embedded VBA macro, which starts the infection cycle by ... Read More

Cobian RAT – A backdoored RAT

| | Malware
Introduction The Zscaler ThreatLabZ research team has been monitoring a new remote access Trojan (RAT) family called Cobian RAT since February 2017. The RAT builder for this family was first advertised on multiple underground forums where cybercriminals often buy and sell exploit and malware kits. This RAT builder caught our ... Read More