Storm-0558: Understanding How Microsoft Failed to Protect Itself

You’re undoubtedly familiar with the so-called Storm-0558 attacks from July 2023. If not a quick recap: these attacks (widely attributed as the work of the Chinese government) compromised a number of high-value Exchange Online mailboxes, including the US Secretary of Read More …

CISA, FBI, and CNMF Release Advisory on Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475

Today, CISA, Federal Bureau of Investigation (FBI), and U.S. Cyber Command’s Cyber National Mission Force (CNMF) published a joint Cybersecurity Advisory (CSA), Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475. This CSA provides information on an incident at an Aeronautical Read More …

Apple shares fall after China reportedly bans iPhone use by government officials

Apple stocks fell after China reportedly banned officials at central government agencies from using or bringing iPhones and other foreign-branded devices into the office. In recent weeks, Chinese officials were given the instructions by their superiors in workplace chat groups Read More …

Cybercriminals target graphic designers with GPU miners

Cybercriminals are abusing Advanced Installer, a legitimate Windows tool used for creating software packages, to drop cryptocurrency-mining malware on infected machines. This activity has been ongoing since at least November 2021. The attacker uses Advanced Installer to package other legitimate Read More …

CISA Releases Update to Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells

The Cybersecurity and Infrastructure Security Agency (CISA) has released an update to a previously published Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The CSA—originally released to warn network defenders of critical infrastructure organizations about threat actors Read More …

CISA Releases Capacity Enhancement Guide to Strengthen Agency Resilience to DDoS Attack

CISA has released actionable guidance for Federal Civilian Executive Branch (FCEB) agencies to help them evaluate and mitigate the risk of volumetric distributed denial-of-service (DDoS) attacks against their websites and related web services. The Capacity Enhancement Guide: Volumetric DDoS Against Read More …

Analyzing a Facebook Profile Stealer Written in Node.js

During previous analysis of a campaign involving a Facebook stealer, Trend Micro researchers discovered another interesting stealer. It was written in Node.js, packaged into an executable, exfiltrated stolen data via both Telegram bot API and a command-and-control (C&C) server, and Read More …

New Agent Tesla Variant Being Spread by Crafted Excel Document

FortiGuard Labs captured a phishing campaign that spreads a new Agent Tesla variant. This well-known malware family uses a .Net-based Remote Access Trojan (RAT) and data stealer to gain initial access. It is often used for Malware-as-a-Service (MaaS). FortiGuard Labs Read More …