B374k.php May 2026

is a popular and powerful PHP-based web shell used by both system administrators for remote management and cyber attackers as a backdoor. It packs a comprehensive suite of administrative and hacking tools into a single file, allowing a user to control a web server entirely through a browser. Kali Linux Core Capabilities

Security Analysis Report: b374k.php

Date: [Current Date] Threat Level: CRITICAL File Type: PHP Script Classification: Web Shell / Backdoor / Remote Access Trojan (RAT)

. It is used by attackers to gain unauthorized remote administrative access to a web server after an initial compromise (e.g., via exploit or weak credentials). Its presence in server logs or directories is a definitive indicator of a security breach. 2. Threat Overview Classification: PHP-based Web Shell / Remote Administration Tool (RAT). Primary Function: b374k.php

Step 3: Privilege Escalation & Persistence

Once inside b374k, the attacker clicks "Command" and runs:

The attacker accessed the honeypot, and John was able to track their movements. He discovered that the attacker was using a VPN to hide their IP address, but he was able to identify the VPN provider. is a popular and powerful PHP-based web shell

If you are asking for features of b374k.php (the webshell), here is a comprehensive list:

; its "deep" features are the built-in modules for file management, SQL exploration, and command execution GitHub - b374k/b374k: PHP Webshell with handy features It is used by attackers to gain unauthorized

Log Entries: Look for GET /b374k.php HTTP/1.1 200 in your web server logs.

Implement a Web Application Firewall (WAF): A WAF can block the initial upload attempt by recognizing the malicious patterns within the b374k script.