Microsoft Secure

Microsoft Secure

Threat actors leverage tax season to deploy tax-themed phishing campaigns

As Tax Day approaches in the United States on April 15, Microsoft has detected several tax-themed phishing campaigns employing various tactics. These campaigns use malicious hyperlinks and attachments to deliver credential phishing and malware including RaccoonO365, AHKBot, Latrodectus, BruteRatel C4 (BRc4), and Remcos.
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Microsoft Secure

Analyzing open-source bootloaders: Finding vulnerabilities faster with AI

Using Microsoft Security Copilot to expedite the discovery process, Microsoft has uncovered several vulnerabilities in multiple open-source bootloaders impacting all operating systems relying on Unified Extensible Firmware Interface (UEFI) Secure Boot. Through a series of prompts, we identified and refined security issues, ultimately uncovering an exploitable integer overflow vulnerability in the GRUB2, U-boot, and Barebox bootloaders.
The post Analyzing open-source bootloaders: Finding vulnerabilities faster with AI appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure

AI innovation requires AI security: Hear what’s new at Microsoft Secure

When you’re secure—innovation happens. But, the fast pace of AI often outpaces traditional security measures, leaving gaps that bad actors can take advantage of. As a security professional, you’re the hero in this battle between protecting vast amounts of data while ensuring AI systems remain transparent and compliant. What you need in this time of new threats and complexity in securing interconnected AI applications is a proactive, innovative approach to stay ahead. 
The post AI innovation requires AI security: Hear what’s new at Microsoft Secure appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure

StilachiRAT analysis: From system reconnaissance to cryptocurrency theft

Microsoft Incident Response uncovered a novel remote access trojan (RAT) named StilachiRAT, which demonstrates sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data. This blog primarily focuses on analysis of the WWStartupCtrl64.dll module that contains the RAT capabilities and summarizes the malware’s key behaviors, capabilities, and the potential risk posed to systems and users.
The post StilachiRAT analysis: From system reconnaissance to cryptocurrency theft appeared first on Microsoft Security Blog. READ MORE HERE…

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