TrickBot Linux Variants Active in the Wild Despite Recent Takedown

Efforts to disrupt TrickBot may have shut down most of its critical infrastructure, but the operators behind the notorious malware aren't sitting idle. According to new findings shared by cybersecurity firm Netscout, TrickBot's authors have moved portions of their code to Linux in an attempt to...

US Cyber Command and Microsoft Are Both Disrupting TrickBot

Earlier this month, we learned that someone is disrupting the TrickBot botnet network. Over the past 10 days, someone has been launching a series of coordinated attacks designed to disrupt Trickbot, an enormous collection of more than two million malware-infected Windows PCs that are constantly...

A Trickbot Assault Shows US Military Hackers' Growing Reach

Despite the operation's short-term effects, it sets new precedents for the scope of Cyber Command's mission...

Microsoft Uses Trademark Law to Disrupt Trickbot Botnet

Microsoft Corp. has executed a coordinated legal sneak attack in a bid to disrupt the malware-as-a-service botnet Trickbot, a global menace that has infected millions of computers and is used to spread ransomware. A court in Virginia granted Microsoft control over many Internet servers Trickbot...

Report: U.S. Cyber Command Behind Trickbot Tricks

A week ago, KrebsOnSecurity broke the news that someone was attempting to disrupt the Trickbot botnet, a malware crime machine that has infected millions of computers and is often used to spread ransomware. A new report Friday says the coordinated attack was part of an operation carried out by th...

CISA and CNMF Identify a New Malware Variant

The Cybersecurity and Infrastructure Security Agency CISA and the Department of Defense DOD Cyber National Mission Force CNMF have identified a malware variant—referred to as SLOTHFULMEDIA—used by a sophisticated cyber actor. In addition, U.S. Cyber Command has released the malware sample to the...

North Korea ATM Hack

The US Cybersecurity and Infrastructure Security Agency CISA published a long and technical alert describing a North Korea hacking scheme against ATMs in a bunch of countries worldwide: This joint advisory is the result of analytic efforts among the Cybersecurity and Infrastructure Security Agenc...

North Korean Malicious Cyber Activity: FASTCash

The Cybersecurity Security and Infrastructure Security Agency CISA, the Department of the Treasury, the Federal Bureau of Investigation, and U.S. Cyber Command have released a joint Technical Alert and three Malware Analysis Reports MARs on the North Korean government’s ATM cash-out scheme—referr...

Chinese Malicious Cyber Activity

The Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, and the Department of Defense DoD have identified a malware variant—referred as TAIDOOR—used by the Chinese government. In addition, U.S. Cyber Command has released the malware sample to the malwar...

Encryption-Busting EARN IT Act Advances in Senate

Plus: A massive crime bust in Europe, a warning from US Cyber Command, and more of the week's top security news...

US Government Exposes North Korean Malware

US Cyber Command has uploaded North Korean malware samples to the VirusTotal aggregation repository, adding to the malware samples it uploaded in February. The first of the new malware variants, COPPERHEDGE, is described as a Remote Access Tool RAT "used by advanced persistent threat APT cyber...

Breaking the Rules: A Tough Outlook for Home Page Attacks (CVE-2017-11774)

Attackers have a dirty little secret that is being used to conduct big intrusions. We’ll explain how they're "unpatching" an exploit and then provide new Outlook hardening guidance that is not available elsewhere. Specifically, this blog post covers field-tested automated registry processing for...

U.S. Cyber Command Shares Seven New Malware Samples

U.S. Cyber Command has released seven malware samples to the malware aggregation tool and repository, VirusTotal. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review U.S. Cyber Command’s VirusTotal page to view the samples. CISA also recommends...

Threat Source newsletter (Oct. 24, 2019)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Never assume that a malware family is really dead. We’ve done it time and time again with things like Emotet, and Gustuff is proving it...

China Distributes Spyware at Its Border and Beyond

Plus, Cyber Command warns about Outlook bugs, Virginia criminalizes deepfake porn, and more top security news from this week...

Observations from RSA Conference, 2019

Last week, the 2019 RSA Conference was held with typical energy and exuberance in San Francisco. One of the largest cybersecurity industry conferences, it had over 700 exhibiting vendors not including another 50 in their Early Stage Expo area and over 500 sessions covering a wide range of current...

This Week in Security News: Instagram Hackers and Enterprise Threats

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn how a group of hackers is stealing popular Instagram profiles. Also, learn about old and new cybersecurity issues inundated enterprise...

US Hackers' Strike on Russian Trolls Sends a Message—but What Kind?

US Cyber Command's takedown of the Internet Research Agency's network may be more about signaling than immediate effects...

Gen. Nakasone on US Cyber Command

Really interesting article by and interview with Paul M. Nakasone Commander of US Cyber Command, Director of the National Security Agency, and Chief of the Central Security Service in the current issue of Joint Forces Quarterly. He talks about the evolving role of US Cyber Command, and its new...

Pentagon Draws Back the Veil on APT Malware with Sudden Embrace of VirusTotal

The Pentagon has suddenly started uploading malware samples from APTs and other nation-state sources to the website VirusTotal, which is essentially a malware zoo that’s used by security pros and antivirus/malware detection engines to gain a better understanding of the threat landscape. The Cyber...