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Showing posts with the label Signal

The Rising Threat of ToolShell: Unpacking the July 2025 SharePoint Zero-Day Exploits

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Anatomy of the ToolShell Exploit Chain Beginning around July 7, 2025, adversaries exploited a deserialization flaw in SharePoint’s on-premises service (CVE-2025-53770) to upload a malicious spinstall0.aspx payload, triggering code execution within the w3wp.exe process. A secondary path-traversal flaw (CVE-2025-53771) then enabled privilege escalation and lateral movement across corporate networks . Security researchers at Eye Security and Palo Alto Networks’ Unit 42 observed attackers bypassing identity controls – MFA and SSO – to exfiltrate machine keys, deploy persistent backdoors, and chain ransomware operations within hours of initial compromise . State-Backed Actor Involvement Microsoft attributes the campaign primarily to Storm-2603, assessed with moderate confidence to be China-based, alongside historically linked groups Linen Typhoon and Violet Typhoon . These actors have a track record of blending cyber-espionage with financially motivated ransomware like Warlock and Lo...
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Google Warns of Russian Hacking Campaign Targeting Ukraine’s Military on Signal

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The Battle Over Secure Communications in Modern Warfare Russian hacking campaign targets Ukraine’s Signal accounts, warns Google Russia’s war against Ukraine is not just being fought on the battlefield—it is being waged in the digital realm as well. In a chilling new development, Google’s Threat Intelligence Group (GTIG) has uncovered an aggressive Russian cyber-espionage campaign aimed at hacking Signal accounts used by Ukraine’s military . This discovery underscores the complex ways modern warfare extends far beyond conventional armed conflict, touching every aspect of technology, information dissemination, and international cybersecurity policy. The revelations highlight a critical vulnerability in encrypted messaging platforms and raise serious concerns about the future of secure communication in wartime. The implications of this attack extend far beyond Ukraine, with experts warning that similar hacking tactics could be deployed against other countries, journa...
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