Server-Side Request Forgery Exposes Data of Technology, Industrial and Media Organizations
Germán Fernández on Twitter: "Basically, it sends an SSRF-like request adding the string "Powershell" in the URI, if there is no block and the server returns the header "X-FEServer" with the server
Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082 - Microsoft Security Blog