The US Cybersecurity and Infrastructure Security Agency (CISA) has been investigating attacks exploiting the Log4Shell vulnerability in third-party products like VMware Horizon and Unified Access Gateway (UAG). The agency published indicators of compromise (IOCs) collected from incidents it investigated as recently as June, highlighting the long-lasting impact of this vulnerability that’s over six months old.
“From May through June 2022, CISA provided remote incident support at an organization where CISA observed suspected Log4Shell PowerShell downloads,” the agency said in a report this week. “During remote support, CISA confirmed the organization was compromised by malicious cyber actors who exploited Log4Shell in a VMware Horizon server that did not have patches or workarounds applied.”
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