OTX Bot<p>Threat Actors abuse signed ConnectWise application as malware builder</p><p>Since March 2025, there has been an increase in infections using validly signed ConnectWise samples. Threat actors are exploiting ConnectWise's authenticode stuffing practices to create and distribute their own signed malware. The malicious samples use modified settings in the certificate table to influence critical behavior and user interface elements, such as connection URLs, ports, icons, and messages. This allows attackers to disguise their remote access tools as legitimate software or fake Windows updates. The article provides recommendations for threat detection and prevention, including specific app.config settings to look out for and a YARA rule for detection.</p><p>Pulse ID: 685ab6d77ee3c365bdf52af2<br>Pulse Link: <a href="https://otx.alienvault.com/pulse/685ab6d77ee3c365bdf52af2" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">otx.alienvault.com/pulse/685ab</span><span class="invisible">6d77ee3c365bdf52af2</span></a> <br>Pulse Author: AlienVault<br>Created: 2025-06-24 14:31:51</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/ConnectWise" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ConnectWise</span></a> <a href="https://social.raytec.co/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CyberSecurity</span></a> <a href="https://social.raytec.co/tags/InfoSec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>InfoSec</span></a> <a href="https://social.raytec.co/tags/Malware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Malware</span></a> <a href="https://social.raytec.co/tags/OTX" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OTX</span></a> <a href="https://social.raytec.co/tags/OpenThreatExchange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenThreatExchange</span></a> <a href="https://social.raytec.co/tags/Windows" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Windows</span></a> <a href="https://social.raytec.co/tags/bot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bot</span></a> <a href="https://social.raytec.co/tags/AlienVault" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AlienVault</span></a></p>