Anvilogic medium experimental spl

Suspicious process Spawned by Java [splunk-edr]

Detect Java Spawning suspicious processes. This could indicate successful execution of vulnerabilities such as log4j CVE-2021-44228. - Threat Actor Association: Evilnum, Volt Typhoon

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Detection Logic

`get_endpoint_data` `get_endpoint_data_edr` ((event_type IN ("childproc","netconn","proc")) 
OR (TERM(ProcessRollup2) 
OR Type=Process) "java.exe" ("powershell.exe" 
OR "cmd.exe" 
OR "AppInstaller.exe" 
OR "Bitsadmin.exe" 
OR "CertOC.exe" 
OR "CertReq.exe" 
OR "cmdl32.exe" 
OR "Control.exe" 
OR "Cscript.exe" 
OR "Desktopimgdownldr.exe" 
OR "Diantz.exe" 
OR "Esentutl.exe" 
OR "Eventvwr.exe" 
OR "Expand.exe" 
OR "Extrac32.exe" 
OR "Findstr.exe" 
OR "Finger.exe" 
OR "Ftp.exe" 
OR "GfxDownloadWrapper.exe" 
OR "Hh.exe" 
OR "IMEWDBLD.exe" 
OR "Ieexec.exe" 
OR "Installutil.exe" 
OR "Makecab.exe" 
OR "MpCmdRun.exe" 
OR "Mshta.exe" 
OR "Msiexec.exe" 
OR "OneDriveStandaloneUpdater.exe" 
OR "PrintBrm.exe" 
OR "Regasm.exe" 
OR "Regsvr32.exe" 
OR "Replace.exe" 
OR "Rundll32.exe" 
OR "Sc.exe" 
OR "Schtasks.exe" 
OR "Wmic.exe" 
OR "Wscript.exe" 
OR "Xwizard.exe" 
OR "Excel.exe" 
OR "Powerpnt.exe" 
OR "Squirrel.exe" 
OR "Winword.exe" 
OR "Wsl.exe" 
OR "nslookup.exe" 
OR "Certutil.exe"))
| table _time, host, user event_id, parent_*, process_*, process, signature_id
| bin span=1s
| stats values(*) as * by _time, host
| where match(parent_process_name,"(?i)java\.exe") `hec_collect`

Field Validations

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