Detectionhightest

Suspicious Processes Spawned by Java.EXE

Detects suspicious processes spawned from a Java host process which could indicate a sign of exploitation (e.g. log4j)

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Andreas Hunkeler, Florian Roth (Nextron Systems)Created Fri Dec 17Updated Thu Jan 180d34ed8b-1c12-4ff2-828c-16fc860b766dwindows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        ParentImage|endswith: '\java.exe'
        Image|endswith:
            - '\AppVLP.exe'
            - '\bitsadmin.exe'
            - '\certutil.exe'
            - '\cscript.exe'
            - '\curl.exe'
            - '\forfiles.exe'
            - '\hh.exe'
            - '\mftrace.exe'
            - '\mshta.exe'
            - '\net.exe'
            - '\net1.exe'
            - '\query.exe'
            - '\reg.exe'
            - '\regsvr32.exe'
            - '\rundll32.exe'
            - '\schtasks.exe'
            - '\scrcons.exe'
            - '\scriptrunner.exe'
            - '\sh.exe'
            - '\systeminfo.exe'
            - '\whoami.exe'
            - '\wmic.exe'        # https://app.any.run/tasks/c903e9c8-0350-440c-8688-3881b556b8e0/
            - '\wscript.exe'
    condition: selection