PHP Classes

Bad PHP Code Scan: Scan PHP code files to find malicious code

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2025-07-09 (-4 hours ago) RSS 2.0 feedStarStarStar 52%Total: 506 All time: 5,786 This week: 48Up
Version License PHP version Categories
bad-code-scan 1.13GNU General Publi...5.3PHP 5, Files and Folders, Security
Description 

Author

Max Stemplevski

This class can scan PHP code files to find malicious code.

It can traverse a given directory recursively to find files with a given file name extension that defaults to .php .

The class can scan the found files to determine if they contain code using eval and base64_decode function calls, which is a sign that the code may be hidding malicious code.

The class return an array with all potentially infected files, or list them in a HTML table.

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Example

<?php
require_once('badcodescan.php'); // include class

$ex_code_scan = new BadCodeScan; // create new object of BadCodeScan class

#Sample #1
$ex_code_scan->searchBadCode(); // search bad code by default mask and parameters ($path = '.', $mask = 'eval(base64_decode', $ext = '*.php')
$ex_code_scan->showResultTable(); // show result table (optional)


#Sample #2
$ex_code_scan = new BadCodeScan; // create new object of BadCodeScan class (optional: you can collect multiple results by other masks)
$ex_code_scan->searchBadCode( '.', 'system(', '*.txt' ); // search bad code by custom mask and parameters.
$ex_code_scan->showResultTable(); // show result table (optional)

#Sample #3
$ex_code_scan = new BadCodeScan;
$ex_code_scan->searchBadCode( '.', ',""); /\*');
$ex_code_scan->showResultTable();

Details

badcode_search

BadCodeScan class for searching bad commands in files on your server.


Screenshots (1)  
  • results
  Files folder image Files (8)  
File Role Description
Files folder imagetest_folder (2 files, 1 directory)
Plain text file badcodescan.php Class Class source
Accessible without login Plain text file example.php Example Example script
Accessible without login Plain text file README.md Data Auxiliary data

  Files folder image Files (8)  /  test_folder  
File Role Description
Files folder imagetest_subfolder (2 files)
  Accessible without login Plain text file infected.html Data Auxiliary data
  Accessible without login Plain text file infected.php Test Unit test script

  Files folder image Files (8)  /  test_folder  /  test_subfolder  
File Role Description
  Accessible without login Plain text file infected.php Test Unit test script
  Accessible without login Plain text file infected.txt Data Auxiliary data

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Rank:2438
 
Will not be as useful than a simple grep/sort line.
10 years ago (Ludovic Bellière)		27%StarStar
 

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