Fake attachment. Roundcube mail server attacks exploit CVE-2024-37383 vulnerability.


In September 2024, threat intelligence experts from the Positive Technologies Security Expert Center (PT ESC) discovered an email sent to a governmental organization belonging to a CIS country. Timestamps indicate that the email was sent back in June 2024. The email appeared to be a message without text, containing only an attached document.

However, the email client didn’t show the attachment. The body of the email contained distinctive tags with the statement eval(atob(…)), which decode and execute JavaScript code:

Read more…
Source: Positive Technologies


Sign up for our Newsletter


Related:

  • Airport services firm Swissport reports ransomware incident

    February 4, 2022

    Swiss airport management service Swissport reported a ransomware attack affecting its IT systems on Friday. The company said the ransomware attack targeted its IT infrastructure. The group behind the attack was not named. Also: Prosecutors investigating cyberattacks affecting multiple Belgian and Dutch ports “The attack has been largely contained, and we are working actively to fully resolve the ...

  • Operation EmailThief: Zero-day XSS vulnerability in Zimbra email platform revealed

    February 4, 2022

    Researchers have uncovered an active campaign exploiting a zero-day vulnerability in the Zimbra email platform. Zimbra is an email platform available under an open source license. According to the developer, the platform supports hundreds of millions of mailboxes located in 140 countries. On February 3, cybersecurity researchers from Volexity, Steven Adair and Thomas Lancaster, said the system ...

  • What Does an Internal Attack Resulting in a Data Breach Look Like in Today’s Threat Landscape?

    February 3, 2022

    A common scenario is one in which an attacker gains access to an internal network via a compromised workstation that has been infected with malware, invariably via a social engineering email attack. No enterprise is immune to this type of insider attack. We all, at some point, took the bait and clicked unsolicited links masquerading ...

  • Codex Exposed: Helping Hackers in Training?

    February 3, 2022

    In June 2020, OpenAI released version 3 of its Generative Pre-trained Transformer (GPT-3), a natural language transformer that took the tech world by storm with its uncanny ability to generate text seemingly written by humans. But GPT-3 was also trained on computer code, and recently OpenAI released a specialized version of its engine, named Codex, ...

  • The evolution of a Mac trojan: UpdateAgent’s progression

    February 3, 2022

    Discovery and analysis by Microsoft researchers of a sophisticated Mac trojan in October exposed a year-long evolution of a malware family—and depicts the rising complexity of threats across platforms. The trojan, tracked as UpdateAgent, started as a relatively basic information-stealer but was observed distributing secondary payloads in the latest campaign, a capability that it added ...

  • Russia’s Gamaredon aka Primitive Bear APT Group Actively Targeting Ukraine

    February 3, 2022

    Since November, geopolitical tensions between Russia and Ukraine have escalated dramatically. It is estimated that Russia has now amassed over 100,000 troops on Ukraine’s eastern border, leading some to speculate that an invasion may come next. On Jan. 14, 2022, this conflict spilled over into the cyber domain as the Ukrainian government was targeted with ...