CrowdStrike Integration with McAfee ESM SIEM

Custom CrowdStrike AV Event

AV Scan Results In A Detection Summary

Regex


.*\W+dhost=(\S+).duser=(\S+).fname=(\S+)\W+filePath=(.)\W+fileHash=(\S+)\W+dntdom=(\S+).\W+cs1=(.)\W+cs4Label.cs5=(.)\W+cs6Label=.technique=(.)\W+objective=(.)\W+patternDisposition=(.)\W+outcome=(\S+)

Original Log from CrowdStrike


CEF:0|CrowdStrike|FalconHost|1.0|AV Scan Results In A Detection Summary Event|AV Scan Results In A Detection Summary Event|2| cat=Machine Learning externalId=f68babc717194c41484e1fcac574b92f cn2Label=ProcessId cn2=938414133373 dhost=PC1 duser=User$ fname=GoogleUpdate.exe filePath=\Device\HarddiskVolume3\Program Files (x86)\Google\Update fileHash=9883ea0b5b8ae254e1bd6777abcab22a dntdom=umairworld.com cs2Label=ScanResultEngine cs2=Microsoft cs1Label=ScanResultName cs1=Trojan:Win32/Occamy.C cs4Label=ScanResultVersion cs4=1.1.15900.4 cs5Label=CommandLine cs5=”C:\Program Files (x86)\Google\Update\GoogleUpdate.exe” /ua /installsource scheduler cs6Label=FalconHostLink cs6=https://falcon.crowdstrike.com/activity/detections/detail/f68babc717194c41484e1fcac574b92f/167530043711?_cid=e47f8d6fccd8408665f27776814b0545 cn3Label=Offset cn3=2164 rt=1559539292000 technique=Cloud-based ML objective=Falcon Detection Method patternDisposition=Detection, standard detection. outcome=0

Detection

Group 1.233-245PC1
Group 2.252-265Username$
Group 3.272-288GoogleUpdate.exe
Group 4.298-360\\Device\\HarddiskVolume3\\Program Files (x86)\\Google\\Update
Group 5.370-4029883ea0b5b8ae254e1bd6777abcab22a
Group 6.410-414umairworld.com
Group 7.483-504Trojan:Win32/Occamy.C
Group 8.573-661“C:\\Program Files (x86)\\Google\\Update\\GoogleUpdate.exe” /ua /installsource scheduler
Group 9.885-899Cloud-based ML
Group 10.910-933Falcon Detection Method
Group 11.953-983Detection, standard detection.
Group 12.992-9930

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