Known Webshell Filename Probe for 2026-08-19

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: 17Mexico: 4Italy: 4Canada: 4Brazil: 4Sweden: 3Poland: 3Norway: 2South Korea: 2Switzerland: 2Spain: 1Hong Kong: 1Germany: 1Japan: 1India: 1
United States1734.0%
Mexico48.0%
Italy48.0%
Canada48.0%
Brazil48.0%
Sweden36.0%
Poland36.0%
Norway24.0%
South Korea24.0%
Switzerland24.0%
Spain12.0%
Hong Kong12.0%
Germany12.0%
Japan12.0%
India12.0%

IP Address : ASN : City/Provider

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