FireEye MPS - HX Messages

Vendor Documentation

https://docs.trellix.com/bundle/enterprise-security-manager-data-sources-configuration-reference-guide/page/GUID-DEE7F31A-23FA-4A89-B641-C2DF422E7748.html

https://docs.logrhythm.com/docs/devices/syslog-log-sources/syslog-fireeye-ex

Log Fields and Parsing

This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.

Log Field	LogRhythm Default	LogRhythm Default v2.0
N/A	<version>	N/A
N/A	<vmid>	N/A
N/A	<severity>	N/A
categoryDeviceType	<subject>	N/A
dst	<dip>	<dip>
dmac	<dmac>	<dmac>
dhost	<dname>	N/A
request	<url>	N/A
categoryOutcome	<result>	N/A
categorySignificance	<object>	N/A
cs7	<action>	N/A
categoryTupleDescription	<command>	N/A
cs4	<threatname>	<url>
cs4	<objectname>	N/A
filePath	<status>	N/A
fileHash	<hash>	N/A
cs4	<process>	N/A
scs10	<hash>	N/A
cs11	<threatname>	N/A
N/A	N/A	<vendorinfo>
N/A	N/A	<process>
N/A	N/A	<severity>
N/A	N/A	<sip>
N/A	N/A	<sname>
N/A	N/A	<protname>
N/A	N/A	<dname>
N/A	N/A	<sport>
N/A	N/A	<smac>
N/A	N/A	<dport>
N/A	N/A	<subject>

Log Processing Settings

This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.

LogRhythm Default

Regex ID	Rule Name	Rule Type	Common Event	Classification
1009183	HX Messages	Base Rule	General Firewall Log	Network Traffic
	Host Acquisition Successfully Completed	Sub Rule	Object Operation	Other Audit Success
	Host Acquisition Successfully Queued	Sub Rule	Object Operation	Other Audit Success
	Host Acquisition Successfully Started	Sub Rule	Object Operation	Other Audit Success
	IOC Hit Found	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : Not Malicious	Sub Rule	Suspicious Activity	Suspicious
	IOC Hit Found : TOR Exit Node	Sub Rule	Network Compromised	Compromise
	IOC Hit Found : TOR Exit Node	Sub Rule	Network Compromised	Compromise
	IOC Hit Found : Ransomware	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : Suspicious WScript Usage	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : CCLEANER Trojan	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : Trojan.JS.Nemucod	Sub Rule	Detected Trojan Activity	Malware
	IOC Hit Found : Trojan.Nakoctb	Sub Rule	Detected Trojan Activity	Malware
	IOC Hit Found : Trojan.Downloader.Hancitor	Sub Rule	Detected Trojan Activity	Malware
	IOC Hit Found : Trojan.Adwind	Sub Rule	Detected Trojan Activity	Malware
	IOC Hit Found : Suspicious VBScript	Sub Rule	Host Compromised	Compromise
	ExD Hit Found	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : TaskMgr Process Dump LSASS.EXE	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : Suspicious Powershell Usage	Sub Rule	Host Compromised	Compromise
	IOC Hit Found : Phishing Activity	Sub Rule	Phishing Activity	Attack
	IOC Hit Found : Mimikatz Malware	Sub Rule	Network Compromised	Compromise
	IOC Hit Found : Malware.Binary	Sub Rule	Detected Malware Activity	Malware
	IOC Hit Found : MalwrSpam	Sub Rule	Detected Malware Activity	Malware
	Malware Protection Found A Compromise Indication	Sub Rule	Detected Malware Activity	Malware
	Quarantine Task Successfully Completed, File Delet	Sub Rule	Quarantine	Activity

LogRhythm Default v2.0

Regex ID	Rule Name	Rule Type	Common Event	Classification
1012551	V 2.0 : FireEye MPS Events	Base Rule	FireEye Notification	Operations : Other Operations