Known Webshell Filename Probe for 2026-08-27
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
| Canada | 11 | 57.9% |
| Mexico | 3 | 15.8% |
| United States | 2 | 10.5% |
| Spain | 1 | 5.3% |
| India | 1 | 5.3% |
| Switzerland | 1 | 5.3% |
IP Address : ASN : City/Provider
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158.158.100.150 : AS8075 Microsoft Corporation : Madrid
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158.23.147.79 : AS8075 Microsoft Corporation : Querétaro
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158.23.184.117 : AS8075 Microsoft Corporation : Querétaro
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20.104.18.15 : AS8075 Microsoft Corporation : Toronto
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20.104.50.220 : AS8075 Microsoft Corporation : Toronto
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20.104.81.161 : AS8075 Microsoft Corporation : Toronto
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20.122.142.214 : AS8075 Microsoft Corporation : Boydton
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20.151.129.194 : AS8075 Microsoft Corporation : Toronto
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20.169.16.7 : AS8075 Microsoft Corporation : Phoenix
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20.197.61.180 : AS8075 Microsoft Corporation : Pune
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20.203.141.11 : AS8075 Microsoft Corporation : Zurich
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20.220.204.93 : AS8075 Microsoft Corporation : Toronto
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20.48.147.90 : AS8075 Microsoft Corporation : Toronto
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20.48.160.90 : AS8075 Microsoft Corporation : Toronto
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20.63.81.20 : AS8075 Microsoft Corporation : Toronto
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4.204.200.136 : AS8075 Microsoft Corporation : Toronto
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52.139.37.240 : AS8075 Microsoft Corporation : Toronto
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52.139.44.162 : AS8075 Microsoft Corporation : Toronto
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68.155.159.216 : AS8075 Microsoft Corporation : Querétaro