By Nick Guarino and Aaron Riley The Cofense Phishing Defense Center™ (PDC) and Cofense Intelligence™ have identified a new variant of Houdini Worm targeting commercial banking customers with campaigns containing either URLs, .zip, or .mht files. This new variant is named WSH Remote Access Tool (RAT) by the malware’s author and was released on June 2, 2019. Within five days, WSH RAT was observed being actively distributed via phishing. Figure 1 shows an example message from this campaign.
If you haven’t read the Mueller Report, spoiler alert: the phish that netted the Clinton campaign was not sophisticated. As you may know, neither was the campaign’s phishing defense (understatement). All of which spells probable doom for the 2020 presidential candidates, despite the news that campaigns have looked at offers, some free, from cyber-security firms.
By Kaustubh Jagtap Our recently released 2019 Phishing Threat and Malware Review highlights how perimeter protection technologies can’t stop all advanced phishing threats. Email gateways are a critical first line of defense, but as attackers have continued to innovate gateways haven’t kept up. The CofenseTM report also underscores the importance of human intelligence to identify these advanced attacks once they make it past gateways. Trained users can effectively detect and report advanced phishing to allow SOC teams to accelerate incident response. Credential Phish Are the Most Common Threat 90% of verified phishing emails were found in environments using email gateways....
Keep a close on your inboxes—the Zombie Phish is back and it’s hitting hard. Last October, on the eve of Halloween, the CofenseTM Phishing Defense CenterTM reported on a new phishing threat dubbed the Zombie Phish. This phish spreads much like a traditional worm. Once a mailbox’s credentials have been compromised, the bot will reply to long-dead emails (hence, Zombie) in the inbox of the infected account, sending a generic phishing email intended to harvest more victims for the Zombie hoard.
By Deron Dasilva and Milo Salvia Last week, the CofenseTM Phishing Defense CenterTM saw a new barrage of phishing attacks hiding in legitimate PDF documents, a ruse to bypass the email gateway and reach a victim’s mailbox. The attacks masquerade as a trusted entity, duping victims into opening what appears to be a trusted link, which in turn leads to a fake Microsoft login page. Once there, victims are tricked into providing their corporate login credentials.