Newly discovered cyberspy crew targets Asian governments and corporations

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 …

Squirrelwaffle, Microsoft Exchange Server vulnerabilities exploited for financial fraud

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 Hijack Email Threads Using ProxyLogon/ProxyShell Flaws

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 …

‘Tortilla’ Wraps Exchange Servers in ProxyShell Attacks

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 …