Activities of a Nigerian Cybercriminal Uncovered

Ever wonder who’s behind one of those Nigerian cyber-crime email campaigns asking you to enter into a shady business deal and how they’re enacted? In a unique profile, researchers pulled back the curtain on such an attack with a report outlining how a Nigerian cybercriminal made hundreds of...

Coronavirus-Themed APT Attack Spreads Malware

An advanced persistent threat APT group is leveraging the coronavirus pandemic to infect victims with a previously unknown malware, in a recently discovered campaign that researchers call “Vicious Panda.” Researchers identified two suspicious Rich Text Format files RTF — a text file format used b...

Spear-Phishing Attack Lures Victims With 'HIV Results'

Recently discovered spear-phishing emails are using a unique “scare-factor” lure to convince victims to open attached malicious Microsoft Excel documents: Their HIV test results. Researchers are warning of a recent campaign involving emails claiming to come from Vanderbilt University Medical...

ObliqueRAT: New RAT hits victims' endpoints via malicious documents

By Asheer Malhotra. Cisco Talos has observed a malware campaign that utilizes malicious Microsoft Office documents maldocs to spread a remote access trojan RAT we're calling "ObliqueRAT." These maldocs use malicious macros to deliver the second stage RAT payload. This campaign appears to target...

Threat Roundup for February 7 to February 14

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 7 and Feb. 14. 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 key behavioral characteristics,...

Threat Roundup for January 24 to January 31

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 24 and Jan. 31. 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 key behavioral characteristics...

U.S. Gov Agency Targeted With Malware-Laced Emails

A U.S. government agency was targeted with spear phishing emails harboring several malware strains – including a never-before-seen malware downloader that researchers call “Carrotball.” The campaign, which researchers observed occurring from July to October and code-named “Fractured Statue,”...

New JhoneRAT Malware Targets Middle East

Researchers are warning of a new remote access trojan RAT, dubbed JhoneRAT, which is being distributed as part of an active campaign, ongoing since November 2019, that targets victims in the Middle East. Once downloaded, the RAT gathers information on the victims’ computers and is also able to...

Threat Roundup for January 10 to January 17

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 10 and Jan. 17. 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 key behavioral characteristics...

Threat Roundup for December 13 to December 20

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Dec. 13 and Dec. 20. 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 key behavioral characteristics...

Understanding the Risk of Zero-Day Exploits

To protect your home from thieves, the easiest thing you can do is lock your windows and doors every time you leave the house. Similarly, in cybersecurity, the easiest way to protect your network is to keep your hardware and applications up to date with the latest security patches. But how do you...

Threat Analysis Unit (TAU) Threat Intelligence Notification: njRAT

njRAT is a Remote Access Trojan RAT that will silently collect and steal sensitive information such as login credentials. It can also perform keylogger monitoring, remote desktop control, installing additional malicious software, and many other malicious activities on the victim’s computer. In...

Threat Roundup for November 29 to December 6

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 29 and Dec. 6. 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 key behavioral characteristics,...

Europol Shuts Down 'Imminent Monitor' RAT Operations With 13 Arrests

In a coordinated International law enforcement operation, Europol today announced to shut down the global organized cybercrime network behind Imminent Monitor RAT, yet another hacking tool that allows cybercriminals to gain complete control over a victim's computer remotely. The operation targete...

Europol Shuts Down 'Imminent Monitor' RAT Operations With 13 Arrests

In a coordinated International law enforcement operation, Europol today announced to shut down the global organized cybercrime network behind Imminent Monitor RAT , yet another hacking tool that allows cybercriminals to gain complete control over a victim's computer remotely. The operation target...

Threat Roundup for November 15 to November 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 15 and Nov. 22. 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 key behavioral characteristics...

APT33 Mounts Focused, Highly Targeted Botnet Attacks Against U.S. Victims

The Iran-linked, espionage-focused advanced threat group known as APT33 has been spotted using more than a dozen obfuscated botnets to carry out narrowly targeted attacks against government and academic targets in the Middle East, the U.S. and Asia. Each botnet, linked to its own...

Orcus RAT Author Charged in Malware Scheme

In July 2016, KrebsOnSecurity published a story identifying a Toronto man as the author of the Orcus RAT, a software product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. This week, Canadian authorities criminally charged him with...

Threat Roundup for November 1 to November 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 1 and Nov. 8. 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 key behavioral characteristics,...

Hackers Target Indian Nuclear Power Plant – Everything We Know So Far

A story has been making the rounds on the Internet since yesterday about a cyber attack on an Indian nuclear power plant. Due to some experts commentary on social media even after lack of information about the event and overreactions by many, the incident received factually incorrect coverage...