HomeVulnerabilityRussian-Linked Hackers Goal 80+ Organizations by way of Roundcube Flaws

Russian-Linked Hackers Goal 80+ Organizations by way of Roundcube Flaws

Risk actors working with pursuits aligned to Belarus and Russia have been linked to a brand new cyber espionage marketing campaign that probably exploited cross-site scripting (XSS) vulnerabilities in Roundcube webmail servers to focus on over 80 organizations.

These entities are primarily positioned in Georgia, Poland, and Ukraine, in keeping with Recorded Future, which attributed the intrusion set to a menace actor generally known as Winter Vivern, which is also called TA473 and UAC0114. The cybersecurity agency is monitoring the hacking outfit underneath the moniker Risk Exercise Group 70 (TAG-70).

Winter Vivern’s exploitation of security flaws in Roundcube and software program was beforehand highlighted by ESET in October 2023, becoming a member of different Russia-linked menace actor teams corresponding to APT28, APT29, and Sandworm which are recognized to focus on electronic mail software program.

The adversary, which has been energetic since not less than December 2020, has additionally been linked to the abuse of a now-patched vulnerability in Zimbra Collaboration electronic mail software program final 12 months to infiltrate organizations in Moldova and Tunisia in July 2023.

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The marketing campaign found by Recorded Future befell from the beginning of October 2023 and continued till the center of the month with the objective of accumulating intelligence on European political and navy actions. The assaults overlap with further TAG-70 exercise towards Uzbekistan authorities mail servers that had been detected in March 2023.

“TAG70 has demonstrated a excessive stage of sophistication in its assault strategies,” the corporate stated. “The menace actors leveraged social engineering strategies and exploited cross-site scripting vulnerabilities in Roundcube webmail servers to achieve unauthorized entry to focused mail servers, bypassing the defenses of presidency and navy organizations.”

The assault chains contain exploiting Roundcube flaws to ship JavaScript payloads which are designed to exfiltrate person credentials to a command-and-control (C2) server.

Recorded Future stated it additionally discovered proof of TAG-70 concentrating on the Iranian embassies in Russia and the Netherlands, in addition to the Georgian Embassy in Sweden.

“The concentrating on of Iranian embassies in Russia and the Netherlands suggests a broader geopolitical curiosity in assessing Iran’s diplomatic actions, particularly relating to its help for Russia in Ukraine,” it stated.

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“Equally, espionage towards Georgian authorities entities displays pursuits in monitoring Georgia’s aspirations for European Union (EU) and NATO accession.”

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