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A new malware dubbed ‘ProxyShellMiner’ exploits the Microsoft Exchange ProxyShell vulnerabilities to deploy cryptocurrency miners throughout a Windows domain to generate profit for the attackers. ProxyShell is the name of three Exchange vulnerabilities discovered and fixed by Microsoft in 2021. Read More …
A cyberespionage group has targeted government agencies and big-name corporations throughout Asia since at least 2020, using the notorious ProxyShell vulnerabilities in Microsoft Exchange to gain initial access. According to ESET, the crew it has dubbed as Worok may be Read More …
The combination of Squirrelwaffle, ProxyLogon, and ProxyShell against Microsoft Exchange Servers is being used to conduct financial fraud through email hijacking. On Tuesday, researchers from Sophos revealed a recent incident in which a Microsoft Exchange Server, which had not been Read More …
Attackers are gnawing on the ProxyLogon and ProxyShell vulnerabilities in Microsoft Exchange Server to hijack email chains, by malspamming replies to ongoing email threads, researchers say. What’s still under discussion: whether the offensive is delivering SquirrelWaffle, the new email loader Read More …
A new-ish threat actor sometimes known as “Tortilla” is launching a fresh round of ProxyShell attacks on Microsoft Exchange servers, this time with the aim of inflicting vulnerable servers with variants of the Babuk ransomware. Cisco Talos researchers said in Read More …
Microsoft has broken its silence on the recent barrage of attacks on several ProxyShell vulnerabilities in that were highlighted by a researcher at Black Hat earlier this month. The company released an advisory late Wednesday letting customers know that threat Read More …
