Malicious campaigns target government, military and civilian entities in Ukraine, Poland
Cisco Talos has discovered a threat actor conducting several campaigns against government entities, military organizations and civilian users in Ukraine and Poland. We judge that these operations are very likely aimed at stealing information and gaining persistent remote access.
".Zip" top-level domains draw potential for information leaks
As a result of user applications increasingly registering actual “.zip” files as URLs, these filenames may trigger unintended DNS queries or web requests, thereby revealing possibly sensitive or internal company data in a file’s name to any actor monitoring the associated DNS server
New Horabot campaign targets the Americas
Cisco Talos has observed a threat actor deploying a previously unidentified botnet program Talos is calling “Horabot,” which delivers a known banking trojan and spam tool onto victim machines in a campaign that has been ongoing since at least November 2020.
Mercenary mayhem: A technical analysis of Intellexa's PREDATOR spyware
Commercial spyware use is on the rise, with actors leveraging these sophisticated tools to conduct surveillance operations against a growing number of targets. Cisco Talos has new details of a commercial spyware product sold by the spyware firm Intellexa (formerly known as Cytrox).
Newly identified RA Group compromises companies in U.S. and South Korea with leaked Babuk source code
Cisco Talos recently discovered a new ransomware actor called RA Group that has been operating since at least April 22, 2023.
State-sponsored campaigns target global network infrastructure
This campaign, dubbed "Jaguar Tooth," is an example of a much broader trend of sophisticated adversaries targeting networking infrastructure to advance espionage objectives or pre-position for future destructive activity.
How threat actors are using AI and other modern tools to enhance their phishing attempts
Tools like ChatGPT aren't making social engineering attacks any more effective, but it does make it faster for actors to write up phishing emails.
Typhon Reborn V2: Updated stealer features enhanced anti-analysis and evasion capabilities
The stealer is for sale on dark web forums for $59 a month, or $540 for a lifetime subscription, which is relatively inexpensive compared to other infostealers.
Emotet resumes spam operations, switches to OneNote
Since returning, Emotet has leveraged several distinct infection chains, indicating that they are modifying their approach based on their perceived success in infecting new systems.