Suspicious Schtasks Execution AppData Folder
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About the rule
Rule Type
Standard
Rule Description
Detects the creation of a schtask that executes a file from C:\\Users\\{USER}\\AppData\\Local
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PROCESSNAME endswith "\schtasks.exe" AND (COMMANDLINE contains "/Create" AND COMMANDLINE contains "/RU" AND COMMANDLINE contains "/TR" AND COMMANDLINE contains "C:\Users" AND COMMANDLINE contains "\AppData\Local") AND COMMANDLINE contains "NT AUT, SYSTEM ") AND ((PARENTPROCESSNAME notcontains "\AppData\Local\Temp" OR PARENTPROCESSNAME notcontains "TeamViewer_.exe") OR PROCESSNAME notendswith "\schtasks.exe" OR COMMANDLINE notcontains "/TN TVInstallRestore")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
pH-T (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
