Pen Test Partners<p>A critical vulnerability in old Telerik software gave an attacker remote code execution on an SFTP-only Windows server. That meant they didn’t need credentials, antivirus didn’t trigger, and default log sizes meant almost nothing useful was captured.</p><p>From there? PowerShell exclusions, admin account created, RDP tunnelled in via Ngrok, ransomware deployed. </p><p>They even opened Pornhub either to cover traffic or celebrate the moment. Who knows?</p><p>This attack wasn’t subtle. But it worked because basic controls were missing. </p><p>We’ve broken down the incident. Plus, recommendations you can act on now to prevent the same thing.</p><p>📌<a href="https://www.pentestpartners.com/security-blog/sil3ncer-deployed-rce-porn-diversion-and-ransomware-on-an-sftp-only-server/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">pentestpartners.com/security-b</span><span class="invisible">log/sil3ncer-deployed-rce-porn-diversion-and-ransomware-on-an-sftp-only-server/</span></a></p><p><a href="https://infosec.exchange/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CyberSecurity</span></a> <a href="https://infosec.exchange/tags/IncidentResponse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IncidentResponse</span></a> <a href="https://infosec.exchange/tags/Ransomware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ransomware</span></a> <a href="https://infosec.exchange/tags/ThreatDetection" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ThreatDetection</span></a> <a href="https://infosec.exchange/tags/DigitalForensics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalForensics</span></a> <a href="https://infosec.exchange/tags/InfoSec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InfoSec</span></a></p>