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11–14 of 14 articles
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ThreatPost
Cuba ransomware is increasingly shifting to exploiting Exchange bugs – including crooks' favorites, ProxyShell and ProxyLogon – as initial infection vectors.
ThreatPost
Researchers have never before seen SquirrelWaffle attackers use typosquatting to keep sending spam once a targeted Exchange server has been patched for ProxyLogon/ProxyShell.
The Hacker News
Microsoft has revised its mitigation measures for the newly disclosed and actively exploited zero-day flaws in Exchange Server after it was found that they could be trivially bypassed. The two vulnerabilities, tracked as CVE-2022-41040 and CVE-2022-41082, have been codenamed ProxyNotShell due to similarities to another set of flaws called ProxyShell, which the tech giant resolved last year.
Bleeping Computer
A Hive ransomware affiliate has been targeting Microsoft Exchange servers vulnerable to ProxyShell security issues to deploy various backdoors, including Cobalt Strike beacon. [...]