title: Potential SAP NetWeaver Webshell Creation - Linux
id: 5b91409c-cb18-4ab6-ac75-c5759f998409
status: experimental
description: |
Detects the creation of suspicious files (jsp, java, class) in SAP NetWeaver directories,
which may indicate exploitation attempts of vulnerabilities such as CVE-2025-31324.
references:
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-31324
- https://reliaquest.com/blog/threat-spotlight-reliaquest-uncovers-vulnerability-behind-sap-netweaver-compromise/
- https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/
author: Elastic (idea), Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-04-28
tags:
- attack.execution
- attack.initial-access
- attack.t1190
- attack.persistence
- attack.t1059.003
- cve.2025-31324
- detection.emerging-threats
logsource:
product: linux
category: file_event
detection:
selection_path:
TargetFilename|contains:
- '/j2ee/cluster/apps/sap.com/irj/servlet_jsp/irj/work/'
- '/j2ee/cluster/apps/sap.com/irj/servlet_jsp/irj/root/'
selection_ext:
TargetFilename|endswith:
- '.jsp'
- '.java'
- '.class'
condition: all of selection_*
falsepositives:
- Legitimate creation of jsc or java files in these locations
level: medium