Threat Intelligence Archives

Threat Intelligence

Operation EmailThief: Active Exploitation of Zero-day XSS Vulnerability in Zimbra

February 3, 2022

Steven Adair and Tom Lancaster

[UPDATE] On February 4, 2022, Zimbra provided an update regarding this zero-day exploit vulnerability and reported that a hotfix for 8.8.15 P30 would be available on February 5, 2022. This vulnerability […]

Threat Intelligence

XE Group – Exposed: 8 Years of Hacking & Card Skimming for Profit

December 7, 2021

Volexity Threat Research

In 2020 and 2021, Volexity identified multiple compromises related to a relatively unknown criminal threat actor that refers to itself as “XE Group”. Volexity believes that XE Group is likely […]

Threat Intelligence

North Korean BLUELIGHT Special: InkySquid Deploys RokRAT

August 24, 2021

Damien Cash, Josh Grunzweig, Steven Adair, and Tom Lancaster

In a recent blog post, Volexity disclosed details on a portion of the operations by a North Korean threat actor it tracks as InkySquid. This threat actor compromised a news […]

Threat Intelligence

North Korean APT InkySquid Infects Victims Using Browser Exploits

August 17, 2021

Damien Cash, Josh Grunzweig, Matthew Meltzer, Steven Adair, and Tom Lancaster

Volexity recently investigated a strategic web compromise (SWC) of the website of the Daily NK (www.dailynk[.]com), a South Korean online newspaper that focuses on issues relating to North Korea. Malicious […]

Threat Intelligence

Suspected APT29 Operation Launches Election Fraud Themed Phishing Campaigns

May 27, 2021

Damien Cash, Josh Grunzweig, Matthew Meltzer, Sean Koessel, Steven Adair, and Tom Lancaster

On May 25, 2021, Volexity identified a phishing campaign targeting multiple organizations based in the United States and Europe. The following industries have been observed being targeted thus far: NGOs […]

Threat Intelligence

Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities

March 2, 2021

Josh Grunzweig, Matthew Meltzer, Sean Koessel, Steven Adair, and Tom Lancaster

[UPDATE] March 8, 2021 – Since original publication of this blog, Volexity has now observed that cyber espionage operations using the SSRF vulnerability CVE-2021-26855 started occurring on January 3, 2021, three […]

Threat Intelligence

Responding to the SolarWinds Breach: Detect, Prevent, and Remediate the Dark Halo Supply Chain Attack

December 16, 2020

Volexity Threat Research

Earlier this week, Volexity published a blog post providing details observed from multiple incident response efforts involving Dark Halo, the group tied to the SolarWinds breach. Since publication, Volexity has fielded and […]

Threat Intelligence

Dark Halo Leverages SolarWinds Compromise to Breach Organizations

December 14, 2020

Damien Cash, Matthew Meltzer, Sean Koessel, Steven Adair, Tom Lancaster, and Volexity Threat Research

Volexity is releasing additional research and indicators associated with compromises impacting customers of the SolarWinds Orion software platform. Volexity has also published a guide for responding to the SolarWinds breach, […]

Threat Intelligence

OceanLotus: Extending Cyber Espionage Operations Through Fake Websites

November 6, 2020

Steven Adair, Tom Lancaster, and Volexity Threat Research

Since Volexity’s 2017 discovery that OceanLotus was behind a sophisticated massive digital surveillance campaign, the threat group has continued to evolve. In 2019, Volexity gave a presentation at RSA Conference […]

Threat Intelligence

Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant

April 21, 2020

Andrew Case, Dave Lassalle, Matthew Meltzer, Sean Koessel, Steven Adair, and Tom Lancaster

In September 2019, Volexity published Digital Crackdown: Large-Scale Surveillance and Exploitation of Uyghurs, which described a series of attacks against Uyghurs from multiple Chinese APT actors. The most notable threat […]