Known Webshell Filename Probe for 2026-08-01
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
| Switzerland | 8 | 17.8% |
| Italy | 6 | 13.3% |
| Poland | 6 | 13.3% |
| United States | 5 | 11.1% |
| Canada | 5 | 11.1% |
| Spain | 4 | 8.9% |
| Norway | 4 | 8.9% |
| Sweden | 3 | 6.7% |
| Brazil | 2 | 4.4% |
| Germany | 2 | 4.4% |
IP Address : ASN : City/Provider
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135.119.63.61 : AS8075 Microsoft Corporation : Des Moines
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158.158.105.63 : AS8075 Microsoft Corporation : Madrid
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158.158.32.226 : AS8075 Microsoft Corporation : Madrid
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172.202.44.182 : AS8075 Microsoft Corporation : Des Moines
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172.202.95.21 : AS8075 Microsoft Corporation : Des Moines
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172.213.17.107 : AS8075 Microsoft Corporation : Milan
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172.213.2.180 : AS8075 Microsoft Corporation : Milan
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172.213.216.126 : AS8075 Microsoft Corporation : Milan
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172.213.225.181 : AS8075 Microsoft Corporation : Milan
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172.213.232.128 : AS8075 Microsoft Corporation : Milan
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20.100.187.246 : AS8075 Microsoft Corporation : Oslo
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20.100.190.226 : AS8075 Microsoft Corporation : Oslo
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20.104.16.169 : AS8075 Microsoft Corporation : Toronto
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20.104.18.253 : AS8075 Microsoft Corporation : Toronto
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20.171.55.167 : AS8075 Microsoft Corporation : Phoenix
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20.195.181.10 : AS8075 Microsoft Corporation : Campinas
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20.199.181.219 : AS8075 Microsoft Corporation : Zurich
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20.203.133.142 : AS8075 Microsoft Corporation : Zurich
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20.203.135.57 : AS8075 Microsoft Corporation : Zurich
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20.203.148.31 : AS8075 Microsoft Corporation : Zurich
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20.203.221.142 : AS8075 Microsoft Corporation : Zurich
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20.203.243.122 : AS8075 Microsoft Corporation : Zurich
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20.215.189.213 : AS8075 Microsoft Corporation : Warsaw
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20.215.191.139 : AS8075 Microsoft Corporation : Warsaw
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20.215.218.234 : AS8075 Microsoft Corporation : Warsaw
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20.220.203.117 : AS8075 Microsoft Corporation : Toronto
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20.226.5.174 : AS8075 Microsoft Corporation : Campinas
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20.240.137.17 : AS8075 Microsoft Corporation : Sweden
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20.52.125.110 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.52.217.208 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.63.10.215 : AS8075 Microsoft Corporation : Toronto
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20.63.98.115 : AS8075 Microsoft Corporation : Toronto
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20.9.85.55 : AS8075 Microsoft Corporation : Des Moines
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20.91.199.21 : AS8075 Microsoft Corporation : Sweden
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4.223.65.51 : AS8075 Microsoft Corporation : Sweden
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4.232.188.49 : AS8075 Microsoft Corporation : Milan
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51.103.143.138 : AS8075 Microsoft Corporation : Zurich
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51.103.152.96 : AS8075 Microsoft Corporation : Zurich
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51.120.76.82 : AS8075 Microsoft Corporation : Oslo
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51.120.79.193 : AS8075 Microsoft Corporation : Oslo
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68.221.186.136 : AS8075 Microsoft Corporation : Madrid
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68.221.69.72 : AS8075 Microsoft Corporation : Madrid
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74.248.24.145 : AS8075 Microsoft Corporation : Warsaw
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74.248.35.25 : AS8075 Microsoft Corporation : Warsaw
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74.248.96.101 : AS8075 Microsoft Corporation : Warsaw