Known Webshell Filename Probe for 2026-09-10

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

IP Address : ASN : City/Provider

• 173.239.211.34 : AS206092 F.n.s. Holdings Limited : New York

• 45.8.19.116 : AS206092 F.n.s. Holdings Limited : New York

• 64.89.163.35 : AS401626 Netiface America, Inc. : United States