k3ym𖺀<p><a href="https://www.bleepingcomputer.com/news/security/scattered-spider-hackers-shift-focus-to-aviation-transportation-firms/" rel="nofollow noopener" target="_blank">Scattered Spider hackers shift focus to aviation, transportation firms</a></p><p><strong>If you work in aviation or transportation, LISTEN</strong></p><ul><li>Scattered Spider is actively targeting your industry. </li><li>They are using trycloudflare.com to deliver Chisel, a FOSS encrypted reverse proxy.</li></ul><p>ACTION ITEMS:</p><ul><li>block trycloudflare.com by FQDN.</li><li>make sure you are using IPS or app signatures on your firewalls to detect the chisel traffic.</li></ul><p><strong>NOTE:</strong> Chisel is encrypted, so you need to be doing full SSL inspection (TLSI) to effectively detect and block the app.</p><p>Additional Resources: </p><ul><li><a href="https://github.com/jpillora/chisel" rel="nofollow noopener" target="_blank">chisel repo</a></li><li><a href="https://www.cisa.gov/news-events/analysis-reports/ar23-243a" rel="nofollow noopener" target="_blank">CISA chisel overview</a></li><li><a href="https://www.cisa.gov/sites/default/files/2023-11/aa23-320a_scattered_spider_0.pdf" rel="nofollow noopener" target="_blank">Scattered Spider CISA Advisory</a></li></ul><p>Please don't let this fuck up your 4th.</p><p><a href="https://infosec.exchange/tags/ScatteredSpider" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ScatteredSpider</span></a> <a href="https://infosec.exchange/tags/UNC3944" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UNC3944</span></a> <a href="https://infosec.exchange/tags/Chisel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Chisel</span></a> <a href="https://infosec.exchange/tags/ChiselMalware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ChiselMalware</span></a> <a href="https://infosec.exchange/tags/ThreatIntel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ThreatIntel</span></a> <a href="https://infosec.exchange/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CyberSecurity</span></a></p>