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November 23, 2021 13:29

Attackers exploiting zero-day vulnerability in Windows Installer — Here’s what you need to know and Talos’ coverage

Cisco Talos is releasing new SNORTⓇ rules to protect against the exploitation of a zero-day elevation of privilege vulnerability in Microsoft Windows Installer. This vulnerability allows an attacker with a limited user account to elevate their privileges to become an administrato

November 22, 2021 14:00

A review of Azure Sphere vulnerabilities: Unsigned code execs, kernel bugs, escalation chains and firmware downgrades

Summary of all the vulnerabilities reported by Cisco Talos in Microsoft Azure Sphere By Claudio Bozzato and Lilith [>_>]. In May 2020, Microsoft kicked off the Azure Sphere Security Research Challenge, a three-month initiative aimed at finding bugs in Azure Sphere. In

November 22, 2021 11:40

Vulnerability Spotlight: Multiple vulnerabilities in Advantech R-SeeNet

Yuri Kramarz discovered these vulnerabilities. Cisco Talos recently discovered multiple vulnerabilities in the Advantech R-SeeNet monitoring software. R-SeeNet is the software system used for monitoring Advantech routers. It continuously collects information from individual rou

November 22, 2021 08:00

Back from the dead: Emotet re-emerges, begins rebuilding to wrap up 2021

Executive Summary Emotet has been one of the most widely distributed threats over the past several years. It has typically been observed being distributed via malicious spam email campaigns, and often leads to additional malware infections as it provides threat actors with an in

November 22, 2021 07:30

Vulnerability Spotlight: PHP deserialize vulnerability in CloudLinux Imunity360 could lead to arbitrary code execution

Marcin “Icewall” Noga of Cisco Talos. Cisco Talos recently discovered a vulnerability in the Ai-Bolit functionality of CloudLinux Inc Imunify360 that could lead to arbitrary code execution. Imunify360 is a security platform for web-hosting servers that allows users to configure

November 19, 2021 14:31

Threat Roundup for November 12 to November 19

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 12 and Nov. 19. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k

November 19, 2021 11:45

Beers with Talos, Ep. #111: We say goodbye to Craig and his killer robots

Beers with Talos (BWT) Podcast episode No. 111 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. We apologize for holding onto this for so long, but we wanted to formally bid farewell to Craig

November 19, 2021 11:18

Talos Takes Ep. #77: How to connect to (and safely use) public WiFi

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. Whenever we walk into a bar or restaurant, it's almost a given that we're going to ask the bartender or server:

November 18, 2021 14:00

Threat Source Newsletter (Nov. 18, 2021)

Good afternoon, Talos readers. This is our last newsletter before Thanksgiving in the U.S. next week, so now's as good of a time as any to remind you: If a deal seems too good to be true, it probably is. To prep online shoppers for the upcoming Cyber Monday and Black Friday