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<div style="margin:0px;font-size:14.67px;background-color:white !important">I hope everyone is doing well!</div>
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<div style="margin:0px;font-size:14.67px;background-color:white !important">Below is the entry for today.</div>
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05/19/2022 - Diary entry #514<br>
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Covered in our Daily Diaries #193, #247, #387 and #505, Lazarus is an infamous Advanced Persistent Threat Group (APT) believed to be sponsored by North Korea. This month new campaigns from Lazarus were disclosed, abusing Log4Shell vulnerability to infect VMWare
Horizon.
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<div>Tracked under CVE-2021-44228, Log4Shell was already covered in many of our Daily Diaries, most recently in our Daily Diary #489, covered one of its variants affecting the Java Sprint framework. Several other Java applications rely on Log4J to handle the
logs, and (if outdated) can be vulnerable to exploitation. In the reported incidents, Lazarus abused vulnerable VMWare Horizon servers to deploy spyware and rootkits into the network. Other incidents involving outdated VMWare Horizon have been disclosed since
January this year.</div>
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Even though Log4Shell was disclosed last year, this incident reveals how hard it's going to be to mitigate such vulnerabilities. Lots of companies can be running legacy Java applications vulnerable to exploitation without even knowing. We highly recommend any
company running Java applications, even third-party, to perform vulnerability finding assessments, and regular penetration testing, to ensure at least the
<strong style="box-sizing:border-box;font-weight:bolder;color:rgb(36, 36, 36);font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Web", sans-serif;font-size:14px;background-color:rgb(255, 255, 255)">
most</strong> common vulnerabilities are mitigated.
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<div style="margin:0px;background-color:white !important"><span style="margin:0px;font-size:14.67px;background-color:white !important">Kind Regards,</span></div>
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