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)

Sigma rule (View on GitHub)

 1title: Suspicious Processes Spawned by Java.EXE
 2id: 0d34ed8b-1c12-4ff2-828c-16fc860b766d
 3related:
 4    - id: dff1e1cc-d3fd-47c8-bfc2-aeb878a754c0
 5      type: similar
 6status: experimental
 7description: Detects suspicious processes spawned from a Java host process which could indicate a sign of exploitation (e.g. log4j)
 8author: Andreas Hunkeler (@Karneades), Florian Roth
 9date: 2021/12/17
10modified: 2023/11/09
11tags:
12    - attack.initial_access
13    - attack.persistence
14    - attack.privilege_escalation
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection:
20        ParentImage|endswith: '\java.exe'
21        Image|endswith:
22            - '\AppVLP.exe'
23            - '\bash.exe'
24            - '\bitsadmin.exe'
25            - '\certutil.exe'
26            - '\cscript.exe'
27            - '\curl.exe'
28            - '\forfiles.exe'
29            - '\hh.exe'
30            - '\mftrace.exe'
31            - '\mshta.exe'
32            - '\net.exe'
33            - '\net1.exe'
34            - '\query.exe'
35            - '\reg.exe'
36            - '\regsvr32.exe'
37            - '\rundll32.exe'
38            - '\schtasks.exe'
39            - '\scrcons.exe'
40            - '\scriptrunner.exe'
41            - '\sh.exe'
42            - '\systeminfo.exe'
43            - '\whoami.exe'
44            - '\wmic.exe'        # https://app.any.run/tasks/c903e9c8-0350-440c-8688-3881b556b8e0/
45            - '\wscript.exe'
46    condition: selection
47falsepositives:
48    - Legitimate calls to system binaries
49    - Company specific internal usage
50level: high

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