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:

  • Black Basta ransomware gang linked to the FIN7 hacking group

    November 3, 2022

    Security researchers at Sentinel Labs have uncovered evidence that links the Black Basta ransomware gang to the financially motivated hacking group FIN7, also known as “Carbanak.” When analyzing tools used by the ransomware gang in attacks, the researchers found signs that a developer for FIN7 has also authored the EDR (Endpoint Detection and Response) evasion tools ...

  • Attack Surface Management 2022 Midyear Review – Part 3

    November 3, 2022

    With the rise of ransomware and other vulnerabilities, it has been an eventful year in cybersecurity. In part two, Trend Micro researchers discussed these issues at length today as well as their implications on a global scale for both businesses large (and small). In the last and final part of the series, Trend Micro researchers talk ...

  • Gregor Samsa: Exploiting Java’s XML Signature Verification

    November 2, 2022

    XML Signatures are a typical example of a security protocol invented in the early 2000’s. They suffer from high complexity, a large attack surface and a wealth of configurable features that can weaken or break its security guarantees in surprising ways. Modern usage of XML signatures is mostly restricted to somewhat obscure protocols and legacy ...

  • US Treasury thwarts DDoS attack from Russian Killnet group

    November 2, 2022

    The US Treasury Department has thwarted a distributed denial of service (DDoS) attack that officials attributed to Russian hacktivist group Killnet. These are the same pro-Kremlin miscreants that claimed responsibility for knocking more than a dozen US airports’ websites offline on October 10 in similar network-traffic flooding incidents. The large-scale DDoS attack didn’t disrupt air travel ...

  • Server-side attacks, C&C in public cloud services

    November 2, 2022

    This report describes several interesting incidents observed by the Kaspersky Managed Detection and Response (MDR) team. The goal of the report is to inform our customers about techniques used by attackers. Kaspersky researchers hope that learning about the attacks that took place in the wild helps you to stay up to date on the modern ...

  • Emotet botnet starts blasting malware again after 5 month break

    November 2, 2022

    The Emotet malware operation is again spamming malicious emails after almost a five-month “vacation” that saw little activity from the notorious cybercrime operation. Emotet is a malware infection distributed through phishing campaigns containing malicious Excel or Word documents. When users open these documents and enable macros, the Emotet DLL will be downloaded and loaded into memory. Once ...