OTX Bot<p>GhostContainer backdoor for Exchange servers</p><p>A sophisticated backdoor targeting Exchange servers of high-value organizations in Asia has been discovered. The malware, named GhostContainer, is a multi-functional backdoor that can be dynamically extended with additional modules. It leverages several open-source projects and employs various evasion techniques to avoid detection. The backdoor grants attackers full control over the Exchange server and can function as a proxy or tunnel. The malware is believed to be part of an APT campaign targeting government and high-tech companies in Asia. It includes components for C2 parsing, virtual page injection, and web proxy functionality. The attackers demonstrated expertise in exploiting Exchange systems and assembling sophisticated espionage tools.</p><p>Pulse ID: 68790fea4a8a9331ee6ff876<br>Pulse Link: <a href="https://otx.alienvault.com/pulse/68790fea4a8a9331ee6ff876" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">otx.alienvault.com/pulse/68790</span><span class="invisible">fea4a8a9331ee6ff876</span></a> <br>Pulse Author: AlienVault<br>Created: 2025-07-17 14:59:54</p><p>Be advised, this data is unverified and should be considered preliminary. Always do further verification.</p><p><a href="https://social.raytec.co/tags/Asia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Asia</span></a> <a href="https://social.raytec.co/tags/BackDoor" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BackDoor</span></a> <a href="https://social.raytec.co/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CyberSecurity</span></a> <a href="https://social.raytec.co/tags/Espionage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Espionage</span></a> <a href="https://social.raytec.co/tags/Government" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Government</span></a> <a href="https://social.raytec.co/tags/InfoSec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InfoSec</span></a> <a href="https://social.raytec.co/tags/Malware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Malware</span></a> <a href="https://social.raytec.co/tags/OTX" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OTX</span></a> <a href="https://social.raytec.co/tags/OpenThreatExchange" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenThreatExchange</span></a> <a href="https://social.raytec.co/tags/Proxy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Proxy</span></a> <a href="https://social.raytec.co/tags/RAT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RAT</span></a> <a href="https://social.raytec.co/tags/RCE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RCE</span></a> <a href="https://social.raytec.co/tags/bot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bot</span></a> <a href="https://social.raytec.co/tags/AlienVault" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AlienVault</span></a></p>