[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmIsLlTc7ciYrorBUHq4XLqc2_wVn9KpD_fdu3_tOmDU":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"framework_notes":22,"status":23,"created_at":24,"published_at":25,"article":26,"tags":30,"podcasts":49,"controls":50},"c9f08649-e0db-419a-bb32-35fba161f923","chainscript-rat-uses-blockchain-to-evade-c2-detection","902a48d6-fba9-40f6-ba77-4087eeccf6fa","ChainScript RAT Uses Blockchain to Evade C2 Detection","Threat actors are exploiting ClickFix social engineering lures to trick users into installing ChainScript RAT, disguised as trusted applications like Spotify and Zoom. The malware leverages Polygon blockchain smart contracts as a decentralized C2 rotation mechanism, making traditional domain-based takedowns and blocklists ineffective. This represents a dangerous evolution in attacker infrastructure resilience, as blockchain transactions are immutable and cannot be easily disrupted by law enforcement or security vendors. The human element remains the critical entry point — users are manipulated into executing malicious payloads through convincing fake software prompts. Organizations that lack behavioral monitoring and endpoint detection will struggle to identify this threat before significant damage occurs.","**Immediate actions:**\n- Block or restrict PowerShell and script execution for standard users to prevent ClickFix-style payload delivery.\n- Deploy application allowlisting to ensure only verified, signed software can execute on endpoints.\n- Alert on and investigate any outbound connections to blockchain RPC endpoints (e.g., polygon.io, infura.io) from non-development systems.\n\n**Long-term improvements:**\n- Conduct regular security awareness training focused on social engineering tactics, including fake software update and CAPTCHA-style lures.\n- Implement DNS filtering and web proxies that can flag or block connections to known blockchain nodes and smart contract infrastructure.\n- Establish a formal software installation policy requiring IT approval for all third-party applications.\n\n**Detection measures:**\n- Deploy EDR solutions with behavioral analytics capable of detecting unusual process chains triggered by browser or user-initiated scripts.\n- Monitor network traffic for anomalous patterns such as repeated queries to decentralized web3 infrastructure from endpoints.\n- Integrate threat intelligence feeds that track emerging RAT families and their indicators of compromise into your SIEM.",[12,13,14,15,16,17,18,19,20,21],"CIS Control 2: Inventory and Control of Software Assets","CIS Control 9: Email and Web Browser Protections","CIS Control 13: Network Monitoring and Defense","NIST SP 800-53 SI-3: Malicious Code Protection","NIST SP 800-53 AC-3: Access Enforcement","NIST SP 800-53 SC-7: Boundary Protection","NIST SP 800-53 AT-2: Literacy Training and Awareness","MITRE ATT&CK T1566: Phishing \u002F Social Engineering","MITRE ATT&CK T1102: Web Service (C2 via legitimate services)","MITRE ATT&CK T1568: Dynamic Resolution (C2 infrastructure rotation)",{},"published","2026-09-21T10:20:42.639014+00:00","2026-09-21T10:20:42.335+00:00",{"id":7,"url":27,"slug":28,"title":29},"https:\u002F\u002Fthehackernews.com\u002F2026\u002F09\u002Fclickfix-lures-deploy-chainscript-rat.html","clickfix-lures-deploy-chainscript-rat-using-polygon-to-rotate-c2-infrastructure-5b62ce","ClickFix Lures Deploy ChainScript RAT Using Polygon to Rotate C2 Infrastructure",[31,37,43],{"id":32,"name":33,"slug":34,"description":35,"color":36},"1732a005-556e-411c-a9db-5edec3058571","Logging & Monitoring","logging-monitoring","Missing logs, no alerting, blind spots","#a855f7",{"id":38,"name":39,"slug":40,"description":41,"color":42},"182e11d5-57c4-444e-8ec8-4682ad60261b","Incident Response","incident-response","Slow detection, poor containment, missing playbooks","#14b8a6",{"id":44,"name":45,"slug":46,"description":47,"color":48},"7261eb8f-acd4-4d93-a489-7fdd652ec0ea","Security Awareness","security-awareness","Phishing, social engineering, human error","#22c55e",[],[51,55,59],{"slug":52,"name":53,"problem":54},"application-allowlisting","Application allowlisting","Any program that reaches a computer can run, including ransomware and the remote-access tools attackers bring with them.",{"slug":56,"name":57,"problem":58},"endpoint-detection-response","Endpoint detection and response (EDR and XDR)","Malware and hands-on-keyboard attackers on laptops and servers get spotted and stopped.",{"slug":60,"name":61,"problem":62},"email-security","Email security","Phishing, malware and invoice fraud are filtered out before they reach inboxes."]