nuclei-templates/file/php/php-scanner.yaml

id: php-scanner

info:
  name: PHP Scanner
  author: geeknik
  severity: info
  tags: php,file
file:
  - extensions:
      - html
      - htm
      - phtml
      - php
      - php3
      - php4
      - php5
      - phps
      - cgi
      - inc
      - tpl
      - test
      - module
      - plugin

    extractors:
      - type: regex
        # Investigate for possible SQL Injection
        # Likely vulnerable: $dbConn->GetRow("SELECT * FROM users WHERE id = $user_id");
        # Likely not Vulnerable: $dbConn->GetRow("SELECT * FROM users WHERE id = ?", array('$user_id'));
        regex:
          - '(?i)getone|getrow|getall|getcol|getassoc|execute|replace'

      - type: regex
        # Warn when var_dump is found
        regex:
          - 'var_dump'

      - type: regex
        # Warn when display_errors is enabled manually
        regex:
          - 'display_errors'

      - type: regex
        # Avoid the use of eval()
        regex:
          - 'eval'
          - 'eval\((base64|eval|\$_|\$\$|\$[A-Za-z_0-9\{]*(\(|\{|\[))'

      - type: regex
        # Avoid the use of exit or die()
        regex:
          - 'exit'
          - 'die'

      - type: regex
        # Avoid the use of logical operators (ex. using and over &&)
        regex:
          - 'and'

      - type: regex
        # Avoid the use of the ereg* functions (now deprecated)
        regex:
          - 'ereg'

      - type: regex
        # Ensure that the second parameter of extract is set to not overwrite (not EXTR_OVERWRITE)
        regex:
          - 'extract'

      - type: regex
        # Checking output methods (echo, print, printf, print_r, vprintf, sprintf) that use variables in their options
        regex:
          - 'echo'
          - 'print'
          - 'printf'
          - 'print_r'
          - 'vprintf'
          - 'sprintf'

      - type: regex
        # Ensuring you're not using echo with file_get_contents
        regex:
          - 'file_get_contents'

      - type: regex
        # Testing for the system execution functions and shell exec (backticks)
        regex:
          - '\\`'

      - type: regex
        # Use of readfile, readlink and readgzfile
        regex:
          - 'readfile'
          - 'readlink'
          - 'readgzfile'

      - type: regex
        # Using parse_str or mb_parse_str (writes values to the local scope)
        regex:
          - 'parse_st'
          - 'mb_parse_str'

      - type: regex
        # Using session_regenerate_id either without a parameter or using false
        regex:
          - 'session_regenerate'

      - type: regex
        # Avoid use of $_REQUEST (know where your data is coming from)
        regex:
          - '\\$_REQUEST'

      - type: regex
        # Don't use mysql_real_escape_string
        regex:
          - 'mysql_real_escape_string'

      - type: regex
        # Avoiding use of import_request_variables
        regex:
          - 'import_request_variables'

      - type: regex
        # Avoid use of GLOBALS
        regex:
          - 'GLOBALS'

      - type: regex
        regex:
          - '_GET'

      - type: regex
        regex:
          - '_POST'

      - type: regex
        regex:
          - '_COOKIE'

      - type: regex
        regex:
          - '_SESSION'

      - type: regex
        # Ensure the use of type checking validating against booleans (===)
        regex:
          - '\\=\\=\\='

      - type: regex
        # Ensure that the /e modifier isn't used in regular expressions (execute)
        regex:
          - '\\/e'

      - type: regex
        # Using concatenation in header() calls
        regex:
          - 'header'

      - type: regex
        # Avoiding the use of $http_raw_post_data
        regex:
          - '\\$http_raw_post_data'

      - type: regex
        # interesting functions for POP/Unserialize
        regex:
          - "__autoload"
          - "__destruct"
          - "__wakeup"
          - "__toString"
          - "__call"
          - "__callStatic"
          - "__get"
          - "__set"
          - "__isset"
          - "__unset"

      - type: regex
        # phpinfo detected
        regex:
          - "phpinfo"

      - type: regex
        # registerPHPFunctions() allows code exec in XML
        regex:
          - "registerPHPFunctions"

      - type: regex
        regex:
          - "session_start"

      - type: regex
        # dBase DBMS
        regex:
          - "dbase_open"

      - type: regex
        # DB++ DBMS
        regex:
          - "dbplus_open"
          - "dbplus_ropen"

      - type: regex
        # Frontbase DBMS
        regex:
          - "fbsql_connect"

      - type: regex
        # Informix DBMS
        regex:
          - "ifx_connect"

      - type: regex
        # IBM DB2 DBMS
        regex:
          - "db2_(p?)connect"

      - type: regex
        # FTP server
        regex:
          - "ftp_(ssl_)?connect"

      - type: regex
        # Ingres DBMS
        regex:
          - "ingres_(p?)connect"

      - type: regex
        # LDAP server
        regex:
          - "ldap_connect"

      - type: regex
        # msession server
        regex:
          - "msession_connect"

      - type: regex
        # mSQL DBMS
        regex:
          - "msql_(p?)connect"

      - type: regex
        # MsSQL DBMS
        regex:
          - "mssql_(p?)connect"

      - type: regex
        # MySQL DBMS
        regex:
          - "mysql_(p?)connect"

      - type: regex
        # MySQLi Extension
        regex:
          - "mysqli((_real)?_connect)?|_query"

      - type: regex
        # Oracle OCI8 DBMS
        regex:
          - "oci|(_new?)|_connect|(n?|p?)logon"

      - type: regex
        # Oracle DBMS
        regex:
          - "ora_(p?)connect"

      - type: regex
        # Ovrimos SQL DBMS
        regex:
          - "ovrimos_connect"

      - type: regex
        # PostgreSQL DBMS
        regex:
          - "pg_(p?)connect"

      - type: regex
        # SQLite DBMS
        regex:
          - "sqlite_(p?)open"

      - type: regex
        # SQLite3 DBMS
        regex:
          - "SQLite3"

      - type: regex
        # Sybase DBMS
        regex:
          - "sybase_(p?)connect"

      - type: regex
        # TokyoTyrant DBMS
        regex:
          - "TokyoTyrant"

      - type: regex
        # XML document
        regex:
          - "x(ptr|path)_new_context"

      - type: regex
        # Investigate if GetTableFields is called safely
        regex:
          - "GetTableFields"

      - type: regex
        regex:
          - "ini_get.*magic_quotes_gpc.*"
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