Known Webshell Filename Probe for 2026-07-20
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 | 7 | 35.0% |
| Canada | 5 | 25.0% |
| Brazil | 5 | 25.0% |
| France | 2 | 10.0% |
| Germany | 1 | 5.0% |
IP Address : ASN : City/Provider
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172.171.198.214 : AS8075 Microsoft Corporation : Dulles
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172.202.30.101 : AS8075 Microsoft Corporation : Des Moines
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194.5.53.221 : AS206092 F.n.s. Holdings Limited : Paris
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194.5.53.245 : AS206092 F.n.s. Holdings Limited : Paris
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20.104.96.117 : AS8075 Microsoft Corporation : Toronto
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20.127.18.0 : AS8075 Microsoft Corporation : Dulles
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20.151.225.23 : 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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20.220.9.199 : AS8075 Microsoft Corporation : Toronto
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20.226.26.5 : AS8075 Microsoft Corporation : Campinas
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20.226.60.151 : AS8075 Microsoft Corporation : Campinas
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20.230.47.94 : AS8075 Microsoft Corporation : Boydton
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20.63.100.92 : AS8075 Microsoft Corporation : Toronto
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23.102.123.231 : AS8075 Microsoft Corporation : Boydton
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4.204.201.85 : AS8075 Microsoft Corporation : Toronto
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45.86.202.42 : AS206092 F.n.s. Holdings Limited : Frankfurt am Main
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52.152.177.115 : AS8075 Microsoft Corporation : Dulles
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52.165.250.117 : AS8075 Microsoft Corporation : Des Moines