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Testing: Information Gathering
OWASP Testing Guide v2 Table of Contents
Every step about security testing needs a first phase oriented to collection of the information necessary for the correct development of penetration test on web applications.
This activity can be carried out to search on different sources and with many methods using public tools as search engine, using fictitious requests purposely forged to receive error messages that give back the versions and technologies used for the application or analyzing and discovering the front-end/back-end infrastructure and applications with the purpose to collect many other useful information.
Often it’s possible to gather this information by receiving a response from the application targets because there're old and backup files or default bad configurations not changed from administrators on web server.
The application discovery testing is an activity oriented to the identification of the web applications hosted on a web server.
This analysis is important because many times there isn't a direct link with the main application and for this reason a discovery analysis is useful to notice every web-app used for administration, old versions or others never deleted and created for a test development phase.
This phase of the Information Gathering process consists in a browsing and capturing of the resources find on the web but the operations that are possibile to perform in this analysis consist also in the collection of the information available on the search engines and extractable using the their particular functionalities.
The web applications provide during a penetration test many information (as error codes) about technologies and products using particular requests forged expressly for this scope.
Often to find these information it isn't need to have particular skills but the web applications with errors on the programming code provide these data their self.
Infrastructure configuration management testing:
DB Listener Testing:
Application configuration management testing:
File extensions handling:
Old file testing:
4.2.1 Application Discovery
4.2.2 Spidering and googling
4.2.3 Analisys of error code
4.2.4 Infrastructure configuration management testing
184.108.40.206 SSL/TLS Testing
220.127.116.11 DB Listener Testing
4.2.5 Application configuration management testing
18.104.22.168 File extensions handling
22.214.171.124 Old, backup and unreferenced files