Cisco Talos Intelligence Blog

November 27, 2018 10:11

DNSpionage Campaign Targets Middle East

Update 2018-11-27 15:30:00 EDT: A Russian-language document has been removed. Subsequent analysis leads us to believe it is unrelated to this investigation Executive Summary Cisco Talos recently discovered a new campaign targeting Lebanon and the United Arab Emirates (UAE) aff

November 8, 2018 12:11

Metamorfo Banking Trojan Keeps Its Sights on Brazil

This blog post was authored by Edmund Brumaghin, Warren Mercer, Paul Rascagneres, and Vitor Ventura. Executive Summary Financially motivated cybercriminals have used banking trojans for years to steal sensitive financial information from victims. They are often created to gath

September 24, 2018 10:09

Adwind Dodges AV via DDE

This blog post is authored byPaul Rascagneres, Vitor Ventura and with the contribution of Tomislav Pericin and Robert Perica from ReversingLabs. Introduction Cisco Talos, along with fellow cybersecurity firm ReversingLabs, recently discovered a new spam campaign that is spreadi

September 19, 2018 09:09

Cyber Threat Alliance Releases Cryptomining Whitepaper

This post is authored by Ashlee Benge. Despite the recent devaluation of some cryptocurrencies, illicit cryptocurrency miners remain a lucrative and widespread attack vector in the threat landscape. These miners are easy to deploy, and attackers see it as a quick way to steal ot

September 7, 2018 08:09

Vulnerability Spotlight: CVE-2018-3952 / CVE-2018-4010 - Multi-provider VPN Client Privilege Escalation Vulnerabilities

Discovered by Paul Rascagneres. Overview Cisco Talos has discovered two similar vulnerabilities in the ProtonVPN and NordVPN VPN clients. The vulnerabilities allow attackers to execute code as an administrator on Microsoft Windows operating systems from a standard user. The

July 12, 2018 15:07

Advanced Mobile Malware Campaign in India uses Malicious MDM

Summary Cisco Talos has identified a highly targeted campaign against 13 iPhones which appears to be focused on India. The attacker deployed an open-source mobile device management (MDM) system to control enrolled devices. At this time, we don't know how the attacker managed to

July 10, 2018 13:07

Microsoft Patch Tuesday - July 2018

Microsoft released its monthly set of security advisories today for vulnerabilities that have been identified and addressed in various products. This month's release addresses 53 new vulnerabilities, 17 of which are rated critical, 34 are rated important, one is rated moderate, a

June 20, 2018 11:06

My Little FormBook

This blog post is authored by Warren Mercer and Paul Rascagneres. Summary Cisco Talos has been tracking a new campaign involving the FormBook malware since May 2018 that utilizes four different malicious documents in a single phishing email. FormBook is an inexpensive stealer a