The DFIR Report Real Intrusions

Overview Bumblebee malware has been an initial access tool used by threat actors since late 2021. In 2023 the malware was first reported as using SEO poisoning as a delivery … Read More

Researchers from The DFIR Report, in partnership with Proofpoint, have identified a new and resilient variant of the Interlock ransomware group’s remote access trojan (RAT). This new malware, a shift … Read More

Key Takeaways Case Summary This intrusion began in November 2024 with a password spray attack targeting an internet-facing RDP server. Over the course of several hours, the threat actor attempted … Read More

Key Takeaways The DFIR Report Services Table of Contents: Case Summary In late June 2024, an unpatched Confluence server was compromised via CVE-2023-22527, a template injection vulnerability, first from IP … Read More

Key Takeaways An open directory associated with a ransomware affiliate, likely linked to the Fog ransomware group, was discovered in December 2024. It contained tools and scripts for reconnaissance, exploitation, lateral movement, and persistence…

Key Takeaways Case Summary This case from May 2024 started with a malicious download from a website mimicking the teleconferencing application Zoom. When visiting the website and downloading a file … Read More

Key Takeaways Case Summary The intrusion started with the exploitation of CVE-2023-22527, a critical remote code execution vulnerability in Confluence, against a Windows server. The first indication of threat actor … Read More

Key Takeaways Case Summary This intrusion began near the end of January 2024 when the user downloaded and executed a file using the same name (setup_wm.exe) and executable icon, as … Read More

Key Takeaways Private Threat Briefs: Over 20 private DFIR reports annually. Threat Feed: Focuses on tracking Command and Control frameworks like Cobalt Strike, Metasploit, Sliver, etc. All Intel: Includes everything from … Read More

Key Takeaways The DFIR Report Services Reports such as this one are part of our All Intel service and are categorized as Threat Actor Insights. Private Threat Briefs: Over 20 … Read More