The application must configure malicious code protection mechanisms to perform periodic scans of the information system every seven days.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-221264	SRG-APP-000277	EX16-ED-000720	SV-221264r961191_rule	2024-12-06	2

Description
Malicious code protection mechanisms include, but are not limited, to anti-virus and malware detection software. In order to minimize potential negative impact to the organization that can be caused by malicious code, it is imperative that malicious code is identified and eradicated. Malicious code includes viruses, worms, trojan horses, and spyware. It is not enough to simply have the software installed; this software must periodically scan the system to search for malware on an organization-defined frequency. This requirement applies to applications providing malicious code protection.

Description

Malicious code protection mechanisms include, but are not limited, to anti-virus and malware detection software. In order to minimize potential negative impact to the organization that can be caused by malicious code, it is imperative that malicious code is identified and eradicated. Malicious code includes viruses, worms, trojan horses, and spyware. It is not enough to simply have the software installed; this software must periodically scan the system to search for malware on an organization-defined frequency. This requirement applies to applications providing malicious code protection.

ℹ️ Check
Open the Exchange Management Shell and enter the following command: Get-TransportAgent "Malware Agent" If the value of "Enabled" is set to "True", this is a finding.

✔️ Fix
Open the Exchange Management Shell and enter the following command: & env:ExchangeInstallPath\Scripts\Disable-Antimalwarescanning.ps1