<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
<span class="x_elementToProof" style="font-size:12pt;margin:0px;background-color:rgb(255, 255, 255)"><span class="x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)"><span style="font-size:14.67px;margin:0px">Hello,</span></span></span>
<div class="x_elementToProof" style="font-size:12pt;margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div class="x_x_elementToProof" style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)">
<span style="margin:0px;background-color:rgb(255, 255, 255);display:inline !important"></span>
<div class="x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_elementToProof" style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)">
<div class="x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)"><span style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255);display:inline !important"></span>
<div style="margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30);background-color:rgb(255, 255, 255)">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0)"><span style="margin:0px;background-color:rgb(255, 255, 255);display:inline !important"></span>
<div style="margin:0px;background-color:rgb(255, 255, 255)">
<div style="margin:0px">
<div style="margin:0px;color:rgb(0, 0, 0) !important;background-color:rgb(255, 255, 255)">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:rgb(255, 255, 255) !important">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:rgb(255, 255, 255) !important">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:rgb(255, 255, 255) !important">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:rgb(255, 255, 255) !important">
<div style="font-size:12pt;margin:0px;color:rgb(0, 0, 0) !important">
<div style="margin:0px;background-color:rgb(255, 255, 255) !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important"><span style="margin:0px;background-color:white !important"></span>
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important"><span style="margin:0px;background-color:white !important"></span>
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="margin:0px;background-color:white !important">
<div style="font-size:15px;margin:0px;color:rgb(32, 31, 30) !important;background-color:white !important">
<div style="font-size:12pt;margin:0px;color:black !important"><span style="margin:0px;background-color:white !important"></span>
<div style="margin:0px;background-color:white !important">
<div style="font-size:14.67px;margin:0px;background-color:white !important">I hope everyone is doing well!</div>
<div style="font-size:14.67px;margin:0px;background-color:white !important"><br>
</div>
<div style="font-size:14.67px;margin:0px;background-color:white !important">Below is the entry for today.</div>
<div style="font-size:14.67px;margin:0px;background-color:white !important"><br>
</div>
<div class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="font-size:14.67px;margin:0px;background-color:white !important">
07/05/2022 - Daily Diary #545<br>
</div>
<blockquote class="x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_x_elementToProof" style="font-size:14.67px;margin-top:0px;margin-bottom:0px;background-color:white !important">
<div style="margin:0px"><br>
</div>
<div style="margin:0px"></div>
<div style="margin:0px"></div>
<div style="margin:0px"></div>
<div style="margin:0px"></div>
In our Daily Diary #541, we covered Lockbit 3.0 announcements, including the new BugBounty Program. Through announcements in deep web forums, the cybercrime group announced a reward up to $1 million dollars for anyone that could find a vulnerability on their
malware.
<div><br>
</div>
<div>In the past weeks, two vulnerabilities in Lockbit 3.0 were disclosed. The first one, tracked under MVID-2022-0620, is a buffer overflow vulnerability in the malware published by vx-underground twitter profile.</div>
<div><br>
</div>
<div>The second one, published by Malvuln, is a DLL hijacking vulnerability, allowing a modified DLL to be loaded and executed inside the malware process memory. We demonstrated this technique in our Blog Post "BREAKING DRIDEX AND CREATING A VACCINE", where
we applied a similar approach to load a vaccine DLL in Dridex's process and stop its execution.</div>
<div><br>
</div>
As both vulnerabilities were published by malware analysts, it's unlikely that they were considered in Lockbit's bug bounty. Nevertheless, this demonstrates how reverse engineering a threat can lead to creative solutions to vaccinate environments and develop
security measures against cyberattacks.
<div style="margin:0px"></div>
<div style="margin:0px"><br>
</div>
<div style="margin:0px"></div>
<div style="margin:0px"></div>
<div style="margin:0px"></div>
</blockquote>
</div>
<span style="margin:0px;background-color:white !important"><span style="font-size:14.67px;margin:0px;background-color:white !important">Kind Regards,</span></span></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
<br>
</div>
<div id="Signature">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
</div>
<div></div>
<div></div>
<div></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<table style="font-family:"Times New Roman"; font-size:medium; text-align:start" id="tableSelected0">
<tbody>
<tr>
<td width="180" align="left" style="width:180px">
<table width="120" align="left">
<tbody>
<tr>
<td colspan="3" align="center"><a href="https://www.appgate.com/"><img alt="" width="120" height="30" src="https://d3aafpijpsak2t.cloudfront.net/images/Signature/logo@2x.png"></a></td>
</tr>
<tr>
<td colspan="3" align="center"> </td>
</tr>
<tr>
<td width="37%" align="center"><a href="https://www.linkedin.com/company/appgate-security/"><img width="18" height="18" alt="" src="https://d3aafpijpsak2t.cloudfront.net/images/Signature/likedin@2x.png"></a></td>
<td width="28%"><a href="https://twitter.com/AppgateSecurity"><img width="20" height="18" alt="" src="https://d3aafpijpsak2t.cloudfront.net/images/Signature/twitter@2x.png"></a></td>
<td width="35%"><a href="https://www.youtube.com/channel/UC-8GvxcZbm-R3EJNl8jYjiQ"><img width="26" height="18" alt="" src="https://d3aafpijpsak2t.cloudfront.net/images/Signature/youtube@2x.png"></a></td>
</tr>
</tbody>
</table>
<p> </p>
</td>
<td width="350" colspan="2" rowspan="2" style="width:350px">
<p style="font-family:Arial,Helvetica,sans-serif; font-size:13px; color:rgb(12,12,12)">
<strong>Felipe Duarte Domingues</strong><br>
Manager, MART<br>
<strong>Appgate</strong></p>
<p style="font-family:Arial,Helvetica,sans-serif; font-size:13px; color:rgb(12,12,12)">
E:<span> </span><font color="#228ebe"><a href="mailto:felipe.duarte@appgate.com" title="mailto:felipe.duarte@appgate.com">felipe.duarte@appgate.com</a></font><br>
<br>
</p>
</td>
</tr>
</tbody>
</table>
<br>
</div>
</div>
</div>
</body>
</html>