diff --git a/detections/endpoint/suspicious_rundll32_rename.yml b/detections/endpoint/suspicious_rundll32_rename.yml index b06c700a5d..7e7dddf7c9 100644 --- a/detections/endpoint/suspicious_rundll32_rename.yml +++ b/detections/endpoint/suspicious_rundll32_rename.yml @@ -3,11 +3,11 @@ id: 7360137f-abad-473e-8189-acbdaa34d114 version: 1 date: '2021-02-04' description: The following analytic identifies renamed instances of rundll32.exe executing. - rundll32.exe is natively found in C:\Windows\system32 and - C:\Windows\syswow64. During investigation, validate it is the legitimate rundll32.exe - executing and what script content it is loading. This query relies on the OriginalFileName - from Sysmon, or internal name from the PE meta data. Expand the query as needed by looking - for specific command line arguments outlined in other analytics. + rundll32.exe is natively found in C:\Windows\system32 and C:\Windows\syswow64. During + investigation, validate it is the legitimate rundll32.exe executing and what script + content it is loading. This query relies on the OriginalFileName from Sysmon, or + internal name from the PE meta data. Expand the query as needed by looking for specific + command line arguments outlined in other analytics. how_to_implement: To successfully implement this search, you need to be ingesting logs with the process name, parent process, and command-line executions from your endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the @@ -41,4 +41,5 @@ tags: security_domain: endpoint asset_type: Endpoint dataset: - - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1218.011/windows-sysmon.log + - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1218.011/atomic_red_team/windows-sysmon.log + automated_detection_testing: passed