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Stealthy Mistic backdoor linked to ransomware access broker KongTuke

📅 24 June 2026 at 10:41 UTC📰 Bleeping ComputerView original source ↗
Stealthy Mistic backdoor linked to ransomware access broker KongTuke

A new backdoor dubbed Mistic has been observed in financially motivated attacks targeting organizations in the insurance, education, IT, and professional services sectors. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Mistic, a stealthy backdoor linked to KongTuke/Woodgnat, has been used in financially motivated attacks targeting organizations in the insurance, education, IT, and professional services sectors since April.

⚙️Technical Details
Affected Systems
Microsoft Teams
Attack Vectors
Social engineeringClickFix infection chain
💥Impact Assessment
Severity: critical
Who Is at Risk
Organizations in the insurance, education, IT, and professional services sectorsSeverity: critical
🛡️Recommended Actions
1Implement strict access controls for Microsoft Teams
2Regularly update and patch systems against known vulnerabilities
3Monitor network activity for suspicious login attempts
📦Affected Products
MpExtMs.exeversion.dllEndpointDlp.dll

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