Incident Response Checklist 🚨 Immediate Actions (0-24 hours) Isolate affected IIS servers from the network Block outbound connections to c.cseo99[.]com Disable ASP.NET machine key reuse Alert all relevant stakeholders about the incident Initiate emergency patching of IIS servers 🔄 Recovery Actions Restore IIS servers from clean backups Apply security patches and harden server configurations Conduct a full system scan to ensure no residual malware Re-enable network access post-verification of security measures
