Change log for CISCO_STEALTHWATCH

Date	Changes
2024-09-26	Enhancement: - Added support to parse CEF format logs.
2024-06-11	Enhancement: - Updated the Grok pattern to parse the "emc1502" value and mapped it to "principal.hostname".
2023-06-19	Enhancement: - Mapped "sourceIPv4Address" to "principal.ip". - Mapped "SourceModuleType" to "observer.application". - Mapped "SourceModuleName" to "target.resource.name". - Mapped "MessageSourceAddress" to "principal.ip". - Mapped "SourcePort" to "principal.port". - Mapped "Version" to "metadata.product_version". - Mapped "DestPort" to "target.port". - Mapped "DestIPv4Address" to "target.ip". - Mapped "ProtocolIdentifier" to "network.ip_protocol". - Mapped "inputSNMPIface", "outputSNMPIface", "InPackets" to "additional.fields".
2023-02-10	FIX - - Added new Grok patterns to parse NFS and SMB protocol type logs.
2022-07-06	Enhancement-Added mappings for unparsed log (audit, alarm). FC_Name mapped to principal.user.userid. src mapped to principal.ip. dst mapped to target.ip. Source_HG mapped to principal.location.country_or_region. category mapped to security_result.category_details. details mapped to metadata.description. vendor_severity Minor mapped to security_result.severity (INFORMATIONAL). vendor_severity Major mapped to security_result.severity (ERROR). Added Event_type USER_UNCATEGORIZED for unparsed log. Added additional field Alarm_ID.