Known Webshell Filename Probe for 2026-08-23
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
| United States | 11 | 31.4% |
| Canada | 7 | 20.0% |
| Brazil | 3 | 8.6% |
| Mexico | 3 | 8.6% |
| India | 2 | 5.7% |
| Japan | 2 | 5.7% |
| Hong Kong | 1 | 2.9% |
| United Kingdom | 1 | 2.9% |
| Switzerland | 1 | 2.9% |
| Germany | 1 | 2.9% |
| Italy | 1 | 2.9% |
| South Korea | 1 | 2.9% |
| Ireland | 1 | 2.9% |
IP Address : ASN : City/Provider
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104.208.99.163 : AS8075 Microsoft Corporation : Hong Kong
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104.209.144.33 : AS8075 Microsoft Corporation : Boydton
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168.62.48.100 : AS8075 Microsoft Corporation : Dulles
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172.182.200.96 : AS8075 Microsoft Corporation : Phoenix
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172.191.149.99 : AS8075 Microsoft Corporation : Dulles
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172.212.194.58 : AS8075 Microsoft Corporation : Des Moines
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185.192.71.108 : AS206092 F.n.s. Holdings Limited : London
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199.235.135.137 : unknown : Canada
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199.235.135.200 : unknown : Canada
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20.104.104.62 : AS8075 Microsoft Corporation : Toronto
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20.104.50.220 : AS8075 Microsoft Corporation : Toronto
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20.122.142.214 : AS8075 Microsoft Corporation : Boydton
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20.151.128.234 : AS8075 Microsoft Corporation : Toronto
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20.151.129.194 : AS8075 Microsoft Corporation : Toronto
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20.203.162.73 : AS8075 Microsoft Corporation : Zurich
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20.219.2.203 : AS8075 Microsoft Corporation : Pune
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20.226.36.136 : AS8075 Microsoft Corporation : Campinas
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20.226.56.190 : AS8075 Microsoft Corporation : Campinas
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20.226.91.14 : AS8075 Microsoft Corporation : Campinas
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20.42.19.40 : AS8075 Microsoft Corporation : Dulles
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20.48.236.86 : AS8075 Microsoft Corporation : Toronto
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20.51.153.15 : AS8075 Microsoft Corporation : Dulles
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20.52.41.200 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.63.219.114 : AS8075 Microsoft Corporation : Osaka
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20.65.69.59 : AS8075 Microsoft Corporation : Boydton
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20.89.241.218 : AS8075 Microsoft Corporation : Osaka
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20.97.182.130 : AS8075 Microsoft Corporation : Boydton
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4.232.148.111 : AS8075 Microsoft Corporation : Milan
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40.80.84.77 : AS8075 Microsoft Corporation : Pune
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52.141.19.25 : AS8075 Microsoft Corporation : Seoul
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52.169.1.71 : AS8075 Microsoft Corporation : Dublin
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52.173.121.69 : AS8075 Microsoft Corporation : Des Moines
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68.155.147.185 : AS8075 Microsoft Corporation : Querétaro
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68.155.153.139 : AS8075 Microsoft Corporation : Querétaro
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68.155.154.236 : AS8075 Microsoft Corporation : Querétaro