The following detection rules safeguard a vulnerable Exchange Server from the CVEs reported:  Intrusion Prevention System detections:    1010854 - Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-26855) 1010868 - Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-27065) 1010870 - Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-27065) – 1 1007170 - Identified Suspicious China Chopper Webshell Communication (ATT&CK T1100) 1005934 - Identified Suspicious Command Injection Attack  Integrity Monitoring detections:  1010855 - Microsoft Exchange - HAFNIUM Targeted Vulnerabilities       1010854 - Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-26855)      1007170 - Identified Suspicious China Chopper Webshell Communication (ATT&CK T1100)      1010870 - Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-27065) - 1      1005934 - Identified Suspicious Command Injection Attack     