Threat Roundup Sept 21 - 28

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Sept. 21 and 28. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

A week in security (September 17 – 23)

Last week, we took a look at a low level spam campaign on Twitter, explored the signs of falling victim to phishing, and examined a massive WordPress compromise. We also explained some SASL vulnerabilities and covered a breaking Emotet spam campaign. Other cybersecurity news: NewEgg attacked by...

Emotet on the rise with heavy spam campaign

The threat landscape is changing once again, now that the ocean of cryptocurrency miners has shrunk to a small lake. Over the last couple months, we've seen cybercriminals lean back on tried and true methods of financial theft and extortion, with the rise of a familiar Banking Trojan: Emotet...

Threat Roundup for August 3-10

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Aug. 3 - 10. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Threat Roundup for July 20-27

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between July 20 and 27. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Emotet Malware Evolves Beyond Banking to Threat Delivery Service

The Emotet trojan has been popping up in the news for years: From widespread malspam infections of banking German targets in 2014, all the way up to the costly infection of a New Hampshire town’s computer network in July. And while the tricky Emotet malware first emerged targeting banking...

A week in security (June 4 – June 10)

Last week on Labs, we took a look at hidden mobile ads, the perils of social media spam, and how to shore up your landline defenses. We also took a deep dive into Emotet malware analysis, and gave you some summertime safety tips. Other news Update your Adobe Flash player if you haven't already...

Malware analysis: decoding Emotet, part 2

In part two of our series on decoding Emotet, you can catch up on part 1 here, we'll cover analysis of the PowerShell code. Before we do that, however, it is a good idea to list some of the functions and calls that are used in the code for the execution. System.Runtime.InteropServices.Marshal: us...

Carbon Black TAU Threat Analysis: Emotet Banking Trojan Leverages MS Office Word Docs, PowerShell to Deliver Malware

Emotet is a family of banking malware, which has been around since at least 2014. Attackers continue to leverage variants of Emotet and are becoming increasingly shrewd in the techniques they employ to deliver the malware onto an infected system. In the spring of 2018 Carbon Black's Threat Analys...

A week in security (May 21 – May 27)

Last week we told you about a Mac cryptominer using XMRig, an overview of Dreamcast related scams, part 1 of decoding Emotet, and what to do about bad coding habits that die hard. We also published the results of our second CrackMe contest. Other news How a pioneer of machine learning became one ...

Malware analysis: decoding Emotet, part 1

Emotet Banking Trojan malware has been around for quite some time now. As such, infosec researchers have made several attempts to develop tools to de-obfuscate and even decrypt the AES-encrypted code belonging to this malware. The problem with these tools is that they target active versions of th...

Vega Stealer Malware Takes Aim at Chrome, Firefox

A malware dubbed Vega Stealer has been uncovered, looking to make off with saved credentials and credit-card information in the Chrome and Firefox browsers. While it’s a simple payload for now, researchers said it has the ability to evolve into something more concerning in the future. Proofpoint,...

「Emotet」の大規模感染を阻止した人工知能のしくみ

本記事は、Microsoft Secure のブログ “How artificial intelligence stopped an Emotet outbreak” 2018 年 2 月 14 日 米国時間公開...

How artificial intelligence stopped an Emotet outbreak

At 12:46 a.m. local time on February 3, a Windows 7 Pro customer in North Carolina became the first would-be victim of a new malware attack campaign for Trojan:Win32/Emotet. In the next 30 minutes, the campaign tried to attack over a thousand potential victims, all of whom were instantly and...

How artificial intelligence stopped an Emotet outbreak

At 12:46 a.m. local time on February 3, a Windows 7 Pro customer in North Carolina became the first would-be victim of a new malware attack campaign for Trojan:Win32/Emotet. In the next 30 minutes, the campaign tried to attack over a thousand potential victims, all of whom were instantly and...

Threat Round Up for Feb 2 - Feb 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between February 2 and February 9. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...

Threat Round Up for December 29 - January 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between December 29 and January 05. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...

Threat Round Up for Dec 01 - Dec 08

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between December 01 and December 08. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...

New IcedID Trojan Targets US Banks

Researchers are warning users about a wave of recent attacks targeting U.S. financial institutions that leverage a new banking Trojan dubbed IcedID. The IcedID Trojan was spotted in September by researchers at IBM’s X-Force Research team. They said the Trojan has several standout techniques and...

Threat Round Up for Oct 6 - Oct 13

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between October 6 and October 13. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...