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:

  • CISA and FBI Publish Joint Advisory on QakBot Infrastructure

    August 30, 2023

    Today, the Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) released a joint Cybersecurity Advisory (CSA), Identification and Disruption of QakBot Infrastructure, to help organizations detect and protect against newly identified QakBot-related activity and malware. QakBot—also known as Qbot, Quackbot, Pinkslipbot, and TA570—is responsible for thousands of malware infections globally. Originally used ...

  • Earth Estries Targets Government, Tech for Cyberespionage

    August 30, 2023

    Earlier this year, Trend Micro researchers discovered a new cyberespionage campaign by a hacker group we named Earth Estries. Based on their observations, Earth Estries has been active since at least 2020. The researchers also found some overlaps between the tactics, techniques, and procedures (TTPs) used by Earth Estries and those used by another advanced ...

  • Exploring the Inner Workings of DuckTail

    August 30, 2023

    In their persistent quest to decode DuckTail’s maneuvers, Zscaler ThreatLabz began an intelligence collection operation in May 2023. Through an intensive three-month period of monitoring, Zscaler researchers obtained critical details about DuckTail’s operational framework. This expedition granted them unprecedented visibility into DuckTail’s end-to-end operations, spanning the entire kill chain from reconnaissance to post-compromise. Zscaler team yielded valuable ...

  • Multiple Threats Target Adobe ColdFusion Vulnerabilities

    August 30, 2023

    This past July, Adobe responded to reports of exploits targeting pre-authentication remote code execution (RCE) vulnerabilities in their ColdFusion solution by releasing a series of security updates: APSB23-40, APSB23-41, and APSB23-47. An in-depth analysis of those exploits has been documented by Project Discovery, including a significant vulnerability in the WDDX deserialization process within Adobe ColdFusion ...

  • Diving Deep into UNC4841 Operations Following Barracuda ESG Zero-Day Remediation (CVE-2023-2868)

    August 29, 2023

    On June 15, 2023, Mandiant released a blog post detailing an 8-month-long global espionage campaign conducted by a Chinese-nexus threat group tracked as UNC4841. Over the course of this follow up blog post, Mandiant researchers will detail how UNC4841 has continued to show sophistication and adaptability in response to remediation efforts. Specifically, UNC4841 deployed new and ...

  • For the win? Offensive research contests on criminal forums

    August 29, 2023

    If you’re a security researcher who wants to share your innovations and insights with the wider community (and gain some peer recognition into the bargain), you’ve got a few options: present at conferences; write papers, blogs etc. The legitimate side of the house is awash with opportunities. But what if you’re a threat actor, whose research ...