Known Webshell Filename Probe for 2026-08-09
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
| Italy | 5 | 16.7% |
| Norway | 5 | 16.7% |
| Germany | 5 | 16.7% |
| Sweden | 5 | 16.7% |
| Switzerland | 4 | 13.3% |
| Poland | 4 | 13.3% |
| United States | 2 | 6.7% |
IP Address : ASN : City/Provider
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172.171.1.239 : AS8075 Microsoft Corporation : Des Moines
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172.213.208.13 : AS8075 Microsoft Corporation : Milan
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172.213.227.73 : AS8075 Microsoft Corporation : Milan
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20.100.172.153 : AS8075 Microsoft Corporation : Oslo
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20.100.178.111 : AS8075 Microsoft Corporation : Oslo
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20.100.193.33 : AS8075 Microsoft Corporation : Oslo
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20.100.198.199 : AS8075 Microsoft Corporation : Oslo
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20.113.142.140 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.170.17.213 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.203.208.53 : AS8075 Microsoft Corporation : Zurich
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20.215.186.32 : AS8075 Microsoft Corporation : Warsaw
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20.215.69.57 : AS8075 Microsoft Corporation : Warsaw
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20.218.73.95 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.250.24.46 : AS8075 Microsoft Corporation : Zurich
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20.251.112.224 : AS8075 Microsoft Corporation : Oslo
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20.52.171.102 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.91.239.158 : AS8075 Microsoft Corporation : Sweden
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4.184.238.149 : AS8075 Microsoft Corporation : Frankfurt am Main
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4.223.73.90 : AS8075 Microsoft Corporation : Sweden
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4.225.166.176 : AS8075 Microsoft Corporation : Sweden
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4.225.203.22 : AS8075 Microsoft Corporation : Sweden
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4.232.185.206 : AS8075 Microsoft Corporation : Milan
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4.232.93.83 : AS8075 Microsoft Corporation : Milan
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51.103.131.31 : AS8075 Microsoft Corporation : Zurich
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51.107.190.246 : AS8075 Microsoft Corporation : Sweden
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51.107.71.145 : AS8075 Microsoft Corporation : Zurich
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72.146.33.199 : AS8075 Microsoft Corporation : Milan
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74.248.34.202 : AS8075 Microsoft Corporation : Warsaw
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74.248.36.185 : AS8075 Microsoft Corporation : Warsaw
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74.249.224.76 : AS8075 Microsoft Corporation : Des Moines