Known Webshell Filename Probe for 2026-07-21
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 | 4 | 30.8% |
| Brazil | 4 | 30.8% |
| Canada | 2 | 15.4% |
| South Korea | 1 | 7.7% |
| Hong Kong | 1 | 7.7% |
| Singapore | 1 | 7.7% |
IP Address : ASN : City/Provider
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104.28.214.112 : AS13335 Cloudflare, Inc. : St Louis
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20.118.34.228 : AS8075 Microsoft Corporation : Des Moines
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20.151.10.161 : AS8075 Microsoft Corporation : Toronto
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20.197.192.193 : AS8075 Microsoft Corporation : Campinas
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20.197.195.24 : AS8075 Microsoft Corporation : Campinas
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20.206.105.145 : AS8075 Microsoft Corporation : Campinas
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20.214.106.237 : AS8075 Microsoft Corporation : Seoul
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20.226.60.151 : AS8075 Microsoft Corporation : Campinas
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23.101.7.174 : AS8075 Microsoft Corporation : Hong Kong
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4.194.24.143 : AS8075 Microsoft Corporation : Singapore
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4.204.201.85 : AS8075 Microsoft Corporation : Toronto
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40.114.39.176 : AS8075 Microsoft Corporation : Dulles
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52.165.250.117 : AS8075 Microsoft Corporation : Des Moines