Known Webshell Filename Probe for 2026-08-13
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
| Norway | 4 | 19.0% |
| Canada | 4 | 19.0% |
| Germany | 3 | 14.3% |
| Sweden | 3 | 14.3% |
| Italy | 2 | 9.5% |
| Switzerland | 2 | 9.5% |
| Poland | 2 | 9.5% |
| United States | 1 | 4.8% |
IP Address : ASN : City/Provider
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172.213.18.162 : AS8075 Microsoft Corporation : Milan
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172.213.227.73 : AS8075 Microsoft Corporation : Milan
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20.100.169.31 : AS8075 Microsoft Corporation : Oslo
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20.100.177.66 : AS8075 Microsoft Corporation : Oslo
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20.104.78.132 : AS8075 Microsoft Corporation : Toronto
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20.104.82.183 : AS8075 Microsoft Corporation : Toronto
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20.116.17.175 : AS8075 Microsoft Corporation : Toronto
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20.220.195.189 : AS8075 Microsoft Corporation : Toronto
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20.250.10.77 : AS8075 Microsoft Corporation : Zurich
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20.250.13.23 : AS8075 Microsoft Corporation : Zurich
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20.251.112.224 : AS8075 Microsoft Corporation : Oslo
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20.79.204.6 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.79.222.117 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.91.215.254 : AS8075 Microsoft Corporation : Sweden
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23.99.130.35 : AS8075 Microsoft Corporation : Des Moines
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4.223.165.84 : AS8075 Microsoft Corporation : Sweden
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4.223.171.122 : AS8075 Microsoft Corporation : Sweden
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51.116.180.165 : AS8075 Microsoft Corporation : Frankfurt am Main
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51.120.79.29 : AS8075 Microsoft Corporation : Oslo
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74.248.24.61 : AS8075 Microsoft Corporation : Warsaw
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74.248.97.169 : AS8075 Microsoft Corporation : Warsaw