Known Webshell Filename Probe for 2026-07-29
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
| Brazil | 6 | 17.1% |
| United States | 5 | 14.3% |
| Poland | 5 | 14.3% |
| United Kingdom | 3 | 8.6% |
| Norway | 3 | 8.6% |
| Canada | 3 | 8.6% |
| Germany | 3 | 8.6% |
| Australia | 2 | 5.7% |
| Switzerland | 2 | 5.7% |
| Sweden | 2 | 5.7% |
| Italy | 1 | 2.9% |
IP Address : ASN : City/Provider
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104.28.208.56 : AS13335 Cloudflare, Inc. : Portsmouth
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135.119.63.61 : AS8075 Microsoft Corporation : Des Moines
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135.119.74.228 : AS8075 Microsoft Corporation : Des Moines
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140.99.1.20 : AS137409 GSL Networks Pty LTD : Melbourne
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140.99.1.48 : AS137409 GSL Networks Pty LTD : Melbourne
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172.213.17.107 : AS8075 Microsoft Corporation : Milan
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185.241.208.244 : AS210558 1337 Services GmbH : Warsaw
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191.232.199.39 : AS8075 Microsoft Corporation : Campinas
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191.235.102.133 : AS8075 Microsoft Corporation : Campinas
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20.100.203.84 : AS8075 Microsoft Corporation : Oslo
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20.104.16.169 : AS8075 Microsoft Corporation : Toronto
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20.151.107.236 : AS8075 Microsoft Corporation : Toronto
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20.171.55.167 : AS8075 Microsoft Corporation : Phoenix
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20.197.178.120 : AS8075 Microsoft Corporation : Campinas
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20.203.142.71 : AS8075 Microsoft Corporation : Zurich
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20.203.219.190 : AS8075 Microsoft Corporation : Zurich
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20.226.5.174 : AS8075 Microsoft Corporation : Campinas
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20.226.90.242 : AS8075 Microsoft Corporation : Campinas
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20.63.10.215 : AS8075 Microsoft Corporation : Toronto
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4.184.121.217 : AS8075 Microsoft Corporation : Frankfurt am Main
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4.184.60.71 : AS8075 Microsoft Corporation : Frankfurt am Main
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4.185.41.66 : AS8075 Microsoft Corporation : Frankfurt am Main
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4.201.104.113 : AS8075 Microsoft Corporation : Campinas
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4.223.226.192 : AS8075 Microsoft Corporation : Sweden
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4.223.71.149 : AS8075 Microsoft Corporation : Sweden
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51.120.79.193 : AS8075 Microsoft Corporation : Oslo
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51.120.83.160 : AS8075 Microsoft Corporation : Oslo
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52.165.196.84 : AS8075 Microsoft Corporation : Des Moines
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52.238.199.152 : AS8075 Microsoft Corporation : Des Moines
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74.248.139.103 : AS8075 Microsoft Corporation : Warsaw
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74.248.20.32 : AS8075 Microsoft Corporation : Warsaw
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74.248.24.145 : AS8075 Microsoft Corporation : Warsaw
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74.248.96.101 : AS8075 Microsoft Corporation : Warsaw
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85.203.36.75 : AS62240 Clouvider Limited : London