Known Webshell Filename Probe for 2026-08-17
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 | 15 | 33.3% |
| Canada | 4 | 8.9% |
| Mexico | 3 | 6.7% |
| Brazil | 3 | 6.7% |
| Poland | 3 | 6.7% |
| Italy | 3 | 6.7% |
| Norway | 2 | 4.4% |
| South Korea | 2 | 4.4% |
| Switzerland | 2 | 4.4% |
| Germany | 2 | 4.4% |
| Japan | 2 | 4.4% |
| Sweden | 1 | 2.2% |
| Hong Kong | 1 | 2.2% |
| India | 1 | 2.2% |
| Spain | 1 | 2.2% |
IP Address : ASN : City/Provider
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135.225.75.187 : AS8075 Microsoft Corporation : Sweden
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158.23.17.4 : AS8075 Microsoft Corporation : Querétaro
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172.182.217.32 : AS8075 Microsoft Corporation : Phoenix
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20.100.169.31 : AS8075 Microsoft Corporation : Oslo
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20.100.185.105 : AS8075 Microsoft Corporation : Oslo
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20.102.65.165 : AS8075 Microsoft Corporation : Dulles
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20.104.85.180 : AS8075 Microsoft Corporation : Toronto
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20.116.17.175 : AS8075 Microsoft Corporation : Toronto
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20.118.133.132 : AS8075 Microsoft Corporation : Phoenix
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20.118.172.148 : AS8075 Microsoft Corporation : Phoenix
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20.119.58.187 : AS8075 Microsoft Corporation : Dulles
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20.151.109.219 : AS8075 Microsoft Corporation : Toronto
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20.169.136.165 : AS8075 Microsoft Corporation : Dulles
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20.196.200.88 : AS8075 Microsoft Corporation : Seoul
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20.203.183.135 : AS8075 Microsoft Corporation : Zurich
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20.206.73.37 : AS8075 Microsoft Corporation : Campinas
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20.215.241.237 : AS8075 Microsoft Corporation : Warsaw
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20.226.56.190 : AS8075 Microsoft Corporation : Campinas
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20.226.7.189 : AS8075 Microsoft Corporation : Campinas
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20.24.67.246 : AS8075 Microsoft Corporation : Hong Kong
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20.250.13.23 : AS8075 Microsoft Corporation : Zurich
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20.29.77.16 : AS8075 Microsoft Corporation : Des Moines
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20.38.3.247 : AS8075 Microsoft Corporation : Phoenix
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20.40.208.6 : AS8075 Microsoft Corporation : Des Moines
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20.51.153.15 : AS8075 Microsoft Corporation : Dulles
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20.52.168.85 : AS8075 Microsoft Corporation : Frankfurt am Main
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20.65.105.233 : AS8075 Microsoft Corporation : Boydton
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20.65.69.59 : AS8075 Microsoft Corporation : Boydton
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20.65.98.162 : AS8075 Microsoft Corporation : Boydton
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20.7.73.61 : AS8075 Microsoft Corporation : Boydton
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20.79.204.6 : AS8075 Microsoft Corporation : Frankfurt am Main
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4.232.151.198 : AS8075 Microsoft Corporation : Milan
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4.232.94.23 : AS8075 Microsoft Corporation : Milan
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40.74.65.169 : AS8075 Microsoft Corporation : Osaka
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40.74.68.220 : AS8075 Microsoft Corporation : Osaka
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40.80.82.167 : AS8075 Microsoft Corporation : Pune
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52.139.47.57 : AS8075 Microsoft Corporation : Toronto
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52.141.58.175 : AS8075 Microsoft Corporation : Seoul
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68.155.146.130 : AS8075 Microsoft Corporation : Querétaro
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68.155.156.252 : AS8075 Microsoft Corporation : Querétaro
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68.221.130.146 : AS8075 Microsoft Corporation : Madrid
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72.146.2.52 : AS8075 Microsoft Corporation : Milan
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74.248.130.103 : AS8075 Microsoft Corporation : Warsaw
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74.248.18.37 : AS8075 Microsoft Corporation : Warsaw
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74.249.206.207 : AS8075 Microsoft Corporation : Des Moines