EastWind campaign: new CloudSorcerer attacks on government organizations in Russia


In late July 2024, we detected a series of ongoing targeted cyberattacks on dozens of computers at Russian government organizations and IT companies.

The threat actors infected devices using phishing emails with malicious shortcut attachments. These shortcuts were used to deliver malware that received commands via the Dropbox cloud service. Attackers used this malware to download additional payloads onto infected computers, in particular tools used by the APT31 group and an updated CloudSorcerer backdoor. Kaspersky dubbed this campaign EastWind.

Read more…
Source: Kaspersky


Sign up for our Newsletter


Related:

  • Silver Fox uses new ABCDoor backdoor to target organisations in Russia and India

    April 30, 2026

    In December 2025, Kaspersky researchers detected a wave of malicious emails designed to look like official correspondence from the Indian tax service. A few weeks later, in January 2026, a similar campaign began targeting Russian organizations. Kaspersky have attributed this activity to the Silver Fox threat group. Both waves followed a nearly identical structure: phishing emails ...

  • Void Dokkaebi uses fake job interview lure to spread malware via code repositories

    April 21, 2026

    Void Dokkaebi, also tracked as Famous Chollima, is a North Korea-aligned intrusion set that systematically targets software developers who hold cryptocurrency wallet credentials, signing keys, and access to continuous integration/continuous delivery (CI/CD) pipelines and production infrastructure. As previously documented by TrendAI Research, the group poses as recruiters from cryptocurrency and AI firms, luring developers into cloning ...

  • Russian hacking group targets home and small office routers to spy on users

    April 8, 2026

    British security officials found that a group linked to the Russian military is spying on users of compromised Small Office/Home Office (SOHO) routers in a broad cyber espionage campaign. A Microsoft blog goes into the technical details of these attacks. The group, which researchers will refer to as APT28, but is also known under names like ...

  • Iranian “Charming Kitten” hackers used old Cold War methods to steal tech secrets and plant malware

    April 5, 2026

    Iran-linked cyber operations are drawing renewed attention for relying less on advanced code and more on human manipulation to gain access to sensitive systems. At the centre of this activity is Charming Kitten, a group associated with Iran’s security apparatus which has spent years targeting officials, researchers, and corporate employees. Instead of exploiting technical vulnerabilities, operatives ...

  • Coruna: the framework used in Operation Triangulation

    March 26, 2026

    On March 4, 2026, Google and iVerify published reports about a highly sophisticated exploit kit targeting Apple iPhone devices. According to Google, the exploit kit was first discovered in targeted attacks conducted by a customer of an unnamed surveillance vendor. It was later used by other attackers in watering-hole attacks in Ukraine and in financially motivated ...

  • Salt Typhoon is hacking the world’s phone and internet giants

    March 9, 2026

    Salt Typhoon is behind one of the broadest hacking campaigns in recent years, targeting some of the world’s largest phone and internet companies and stealing tens of millions of phone records about senior government officials. The hacking group, attributed to China, is part of a wider cluster of hackers with the collective aim of helping China ...