Infographic: Cyberattacks by the Numbers

As the calendar shifted from December 2016 to January 2017, the prospect of a large-scale cyberattack loomed. Questions over the possible hacking of the 2016 U.S. presidential election swirled and businesses faced a growing attack vector in ransomware. In 2016, ransomware was estimated to be an...

Threat Analysis: Malicious Microsoft Word Documents Being Used in Targeted Attack Campaigns

A Microsoft Word document .doc believed to be malicious was recently submitted to Carbon Black’s Threat Analysis Unit TAU. The submitting organization did not feel that that document and subsequent payload was fully executing in their analysis environment, and questioned whether or not it was...

Carbon Black TAU Threat Analysis: A Deeper Look at BadRabbit Shows Overlapping Similarities to NotPetya

BadRabbit was a ransomware variant initially detected in the wild on October 24, 2017. On that day, Carbon Black and several other research organizations conducted triage analysis of the sample and provided write ups. Carbon Black also provided an internal post in the User Exchange documenting IO...

Ursnif Banking Trojan Spreading In Japan

Attackers behind the pervasive banking Trojan Ursnif have made Japan one of their top targets, delivering the malware via spam campaigns that began last month. For years, Ursnif or Gozi has targeted Japan along with North America, Europe and Australia. But according to a recent IBM X-Force analys...

Threat Analysis: Don’t Forget About Kangaroo Ransomware

The age of ransomware is upon us. Advanced ransomware variants are using NSA-leaked exploits to ravage hundreds of thousands of computers and collect thousands of dollars in bitcoins, while new variants are being produced on a weekly basis. With advanced samples taking up most of the media...

Internet Bug Bounty: Format string implementation vulnerability, resulting in code execution

In a security audit to the sprintf implementation in perl version 5.24.1 I found a major security vulnerability, here are the full details. Timeline: ====== 6th of May, 2017 - disclosure to the PERL security mailing list 8th of May, 2017 - vulnerability confirmed by PERL's security group, found...

Threat Analysis: Carbon Black Threat Research Dissects PNG Dropper

UPDATE 8/14/17: After posting the original analysis, the Carbon Black Threat Research team received numerous requests for the tools to extract the second stage payload from the initial PNGdropper file. As a result, the source code and compiled binaries are being made public and are posted to the...

DirectDefense Incorrectly Asserts Architectural Flaw in Cb Response

Today, a blog was released that incorrectly asserts an architectural flaw in Cb Response that leaks customer data. In fact, this is an optional feature turned off by default to allow customers to share information with external sources for additional ability to detect threats. Cloud-based,...

Common Sense Clarity on GDPR

Having recently returned from the first phase of Carbon Black’s official General Data Protection Regulation GDPR Data Security and Privacy tour, where I participated in the data privacy and security enablement of numerous European global businesses, I’ve collected many valuable insights on the...

Threat Round-up for June 2 - June 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 02 and June 09. 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 characteristics,...

Threat Round-up for May 19 - May 26

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 19 and May 26. 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 characteristics,...

Threat Round-up for May 05 - May 12

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 05 and May 12. 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 characteristics,...

Adobe Patches Nine Code Execution Flaws in Flash Player

Two weeks after rushing out an emergency patch for a zero-day vulnerability, Adobe today released another Flash Player security update. The new release patched nine vulnerabilities, all of which expose the host system to remote code execution. Adobe said it is not aware of public exploits against...

Relational Learning Tutorial

At FireEye, we apply machine learning techniques to a variety of security problems. Malware detection and categorization is a great use of the technology, and we believe that it can also play a role in security challenges that extend beyond malware. In one such R&D effort, the Innovation & Custom...

Capturing and Analyzing Network Flow Data: Joy

A package for capturing and analyzing network flow data and intraflow data, for network research, forensics, and security monitoring. Joy is a BSD-licensed libpcap-based software package for extracting data features from live network traffic or packet capture pcap files, using a flow-oriented mod...

PT-2017-02: Insufficient Permissions in Rockwell Automation Micrologix 1100 and 1400 PLC

The specialists of the Positive Research center have detected an Insufficient Permissions vulnerability in Rockwell Automation Micrologix 1100 and 1400 PLC. Vulnerability in Allen-Bradly MicroLogix 1100 and 1400 allows remote attackers with administrative privileges to remove all administrators...

Threat Outbreak Alert: Fake Bank Account Transaction Notification Email Messages on May 25, 2014

Medium Alert ID: 34350 First Published: 2014 May 28 18:04 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain bank account transaction notification for the recipient. The email message attempts to convince the recipient to...

Threat Outbreak Alert: Fake Account Statement Notification Email Messages on May 14, 2014

Medium Alert ID: 34227 First Published: 2014 May 14 17:34 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain an account statement notification for the recipient. The text in the email message attempts to convince the...

Threat Outbreak Alert: Fake Product Order Notification Email Messages on May 7, 2014

Medium Alert ID: 34167 First Published: 2014 May 8 16:06 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a product order notification for the recipient. The text in the email message attempts to convince the recipient to...

Threat Outbreak Alert: Fake Shipment Tracking Information Email Messages on April 30, 2014

Medium Alert ID: 34010 First Published: 2014 April 30 19:09 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain shipment tracking information for the recipient. The text in the email message attempts to convince the recipien...