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Home News

Russian Group BlueCharlie: Evolving Threat

August 3, 2023
Reading Time: 2 mins read
in News

 

A Russian-linked cyber adversary has emerged with a dynamic strategy, incorporating 94 new domains into its infrastructure to adapt and counteract public disclosures regarding its activities.

Cybersecurity firm Recorded Future has identified this evolving infrastructure, attributing it to a hacking group known as BlueCharlie, with various aliases like Blue Callisto, COLDRIVER, and TA446. These adjustments underscore a certain level of sophistication, indicating the group’s intent to obfuscate and alter its actions in response to industry reporting. The firm’s technical report, shared with The Hacker News, highlights the significance of these shifts in the threat landscape.

Recorded Future’s assessment reveals that BlueCharlie has affiliations with Russia’s Federal Security Service (FSB), with a focus on phishing campaigns aimed at stealing credentials from private sector firms, nuclear research labs, and NGOs involved in Ukraine crisis relief.

This activity, dating back to at least 2017, is thought to contribute to Russian efforts to disrupt military supply chains and gather intelligence related to potential war crime evidence.

A secondary report by NISOS further reveals connections between the group’s attack infrastructure and a Russian company contracting with governmental entities.

The report emphasizes BlueCharlie’s persistence in executing phishing and credential theft campaigns, coupled with extensive reconnaissance to enhance the efficacy of their attacks. Notably, BlueCharlie has introduced a new naming pattern for its domains, featuring keywords associated with information technology and cryptocurrency.

While the group’s methods often employ common techniques like phishing and open-source offensive security tools, their continued utilization of these tactics, combined with a proactive evolution of strategies, showcases their ongoing potency. To counter these threats, organizations are advised to implement robust security measures, including phishing-resistant multi-factor authentication (MFA) and stringent password reset policies, given the group’s adaptability and formidable capabilities.

Reference:
  • BlueCharlie, Previously Tracked as TAG-53, Continues to Deploy New Infrastructure in 2023

Tags: August 2023BlueCharlieCredentialsCyber NewsCyber News 2023CyberattackCybersecurityHackingPhishingRecorded FutureRussiaVulnerabilities
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