Vulnerabilities Exploited in Multiple VPN Applications

The United Kingdom UK National Cyber Security Centre NCSC has released an alert on advanced persistent threat APT actors exploiting vulnerabilities in Virtual Private Network VPN applications. A remote attacker could exploit these vulnerabilities to take control of an affected system. The...

Masad Spyware Uses Telegram Bots for Command-and-Control

A freshly discovered commercial spyware dubbed the “Masad Clipper and Stealer” is using Telegram bots as its command-and-control C2 hub. Masad harvests information from Windows and Android users and also comes with a full cadre of other malicious capabilities, including the ability to steal...

Russian APT Map Reveals 22,000 Connections Between 2000 Malware Samples

Though Russia still has an undiversified and stagnant economy, it was one of the early countries in the world to realize the value of remotely conducted cyber intrusions. In recent years, many Russia hacking groups have emerged as one of the most sophisticated nation-state actors in cyberspace,...

More U.S. Utility Firms Targeted in Evolving LookBack Spearphishing Campaign

A spearphishing campaign, first spotted in July targeting three U.S. utility companies with a new malware variant, has evolved its tactics and extended its targeting to include nearly 20 companies. The campaign was first discovered in phishing emails, sent between July 19 and 25, which targeted...

Why Should CISOs Care About XDR?

We have been collectively saying in our industry for the last 15-20 years that a layered approach to your security stack is a “best practice,” but as with all best practices, these are ideals rather than reality for so many charged with protecting their organizations. The vast majority of CISOs a...

Astaroth Spy Trojan Uses Facebook, YouTube Profiles to Cover Tracks

Facebook and YouTube profiles are at the heart of an ongoing phishing campaign spreading the Astaroth trojan, bent on the eventual exfiltration of sensitive information. The attack is sophisticated in that it uses normally trusted sources as cover for malicious activities – thus evading usually...

North Korean Spear-Phishing Attack Targets U.S. Firms

Researchers have uncovered an ongoing, sophisticated malware campaign aiming at U.S.-based targets with an interest in nuclear deterrence, North Korea’s nuclear submarine program and North Korean economic sanctions. The campaign, which researchers from Prevailion call “Autumn Aperture” and link...

Back-to-School Scams Target Students with Library-Themed Emails

College students settling back into school might want to think twice before clicking on an email prompting them to renew their school library account. Researchers warn that students at hundreds of universities worldwide are being targeted with fake emails this week, which tout attachments or link...

Microsoft Exchange – Password Spraying

Outlook Web Access OWA portals typically are externally facing in order to allow users to get access to their emails from the Internet. This gives the opportunity to threat actors to use a common password against a valid list of usernames Password Spraying in order to get some initial access to t...

CB TAU Threat Intelligence Notification: Winnti Malware 4.0

Winnti is a family of malware used by multiple Chinese threat actors like APT41. Carbon Black’s Threat Analysis Unit TAU is providing this technical analysis, YARA rules, IOCs and product rules for the research community. Behavioral Summary Winnti malware is installed manually with stolen...

TrickBot adds new trick to its arsenal: tampering with trusted texts

Researchers from Dell Secureworks saw a new feature in TrickBot that allows it to tamper with the web sessions of users who have certain mobile carriers. According to a blog post that they published early last week, TrickBot can do this by "intercepting network traffic before it is rendered by a...

Defense Takeaways from Three Adversary Playbooks

In these days of advanced threats, the perimeter defense strategy – though still useful and necessary – is incomplete. IT security teams need as much information about existing threats as possible, so they know what to look for and how to position proactive countermeasures. Creating and using...

China Chopper still active 9 years later

By Paul Rascagneres and Vanja Svajcer. Introduction Threats will commonly fade away over time as they're discovered, reported on, and detected. But China Chopper has found a way to stay relevant, active and effective nine years after its initial discovery. China Chopper is a web shell that allows...

Healthcare: Research Data and PII Continuously Targeted by Multiple Threat Actors

The healthcare industry faces a range of threat groups and malicious activity. Given the critical role that healthcare plays within society and its relationship with our most sensitive information, the risk to this sector is especially consequential. It may also be one of the major reasons why we...

IRS Warns of New Email Scam

The Internal Revenue Service IRS has issued a warning about a new email scam in which malicious cyber actors send unsolicited emails to taxpayers from fake i.e., spoofed IRS email addresses. The emails contain a link to a spoofed IRS.gov website that displays fake details about the targeted...

ThreatList: 4.1B Records Exposed in Breaches in First Half of 2019

This year is on track to be the worst year on record for data breach activity, according to a recent analysis. Within the first six months of this year, there have been 3,813 incidents publicly reported, according to Risk Based Security’s 2019 MidYear QuickView Data Breach Report. That’s up 54...

The 4 Types of Attackers and Their Motives

This post is an excerpt from The Ultimate Cybersecurity Guide for the IT Professional. Attackers + Their Motives Today’s organizations face four main categories of adversaries. In order to fully defend against these four types, you must also understand what motivates them. This context will best...

XDR Needs Network Data and Here’s Why

As we’ve discussed in previous blogs, XDR is a better way to detect attacks within a network since it is able to coordinate and collaborate threat intelligence and data across multiple threat vectors, including endpoint including mobile and IIoT, server, network, messaging, web, and cloud. In thi...

Carbon Black Threat Analysis Unit (TAU) Uncovers Significant Evolution of Popular Cryptomining Campaign Affecting More than 500,000 Computers

Carbon Black’s CB Threat Analysis Unit TAU has uncovered a secondary component in a well-known cryptomining campaign. The malware has been enhanced to also steal system access information for possible sale on the dark web. Combined together, this attack is being classified as “Access Mining.” Thi...

CVE-2019-10189

A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Teachers in an assignment group could modify group overrides for other groups in the same assignment. Recent assessments: gwillcox-r7 at October 20, 2020 6:57pm UTC reported: This is now supposedly being exploited in the wild by...