Known Webshell Filename Probe for 2026-09-02
Sep 02, 2026
Exploitation
Last Updated: 00:00 UTC
Direct requests for filenames used by common PHP webshells and file managers (ALFA, WSO, b374k, xleet, wp_filemanager and others). Scanners check whether a site was already backdoored by someone else, so they can take over the existing shell instead of exploiting the site themselves.
MITRE ATT&CK
Tactic: Persistence (TA0003)
Technique: T1505.003 — Server Software Component: Web Shell
Observed URIs
Attackers by Country
| Canada | 5 | 71.4% |
| The Netherlands | 1 | 14.3% |
| Indonesia | 1 | 14.3% |
IP Address : ASN : City/Provider
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20.104.49.130 : AS8075 Microsoft Corporation : Toronto
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20.220.204.93 : AS8075 Microsoft Corporation : Toronto
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20.48.179.39 : AS8075 Microsoft Corporation : Toronto
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20.48.250.41 : AS8075 Microsoft Corporation : Toronto
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20.63.81.20 : AS8075 Microsoft Corporation : Toronto
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34.12.56.23 : AS396982 Google LLC : Groningen
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38.253.224.41 : AS139952 PT Trisari Data Indonusa : Ponorogo