Here you have a list of Windows Interesting files. They can be used to extract sensitive information leading to further exploitation.
It is always important to read the Administrator Guide of any application and appli the best security practices to configiguration file.
Any misconfiguration is a potential vector of attack.
• C:/Users/Administrator/NTUser.dat
• C:/Documents and Settings/Administrator/NTUser.dat
• C:/apache/logs/access.log
• C:/apache/logs/error.log
• C:/apache/php/php.ini
• C:/boot.ini
• C:/inetpub/wwwroot/global.asa
• C:/MySQL/data/hostname.err
• C:/MySQL/data/mysql.err
• C:/MySQL/data/mysql.log
• C:/MySQL/my.cnf
• C:/MySQL/my.ini
• C:/php4/php.ini
• C:/php5/php.ini
• C:/php/php.ini
• C:/Program Files/Apache Group/Apache2/conf/httpd.conf
• C:/Program Files/Apache Group/Apache/conf/httpd.conf
• C:/Program Files/Apache Group/Apache/logs/access.log
• C:/Program Files/Apache Group/Apache/logs/error.log
• C:/Program Files/FileZilla Server/FileZilla Server.xml
• C:/Program Files/MySQL/data/hostname.err
• C:/Program Files/MySQL/data/mysql-bin.log
• C:/Program Files/MySQL/data/mysql.err
• C:/Program Files/MySQL/data/mysql.log
• C:/Program Files/MySQL/my.ini
• C:/Program Files/MySQL/my.cnf
• C:/Program Files/MySQL/MySQL Server 5.0/data/hostname.err
• C:/Program Files/MySQL/MySQL Server 5.0/data/mysql-bin.log
• C:/Program Files/MySQL/MySQL Server 5.0/data/mysql.err
• C:/Program Files/MySQL/MySQL Server 5.0/data/mysql.log
• C:/Program Files/MySQL/MySQL Server 5.0/my.cnf
• C:/Program Files/MySQL/MySQL Server 5.0/my.ini
• C:/Program Files (x86)/Apache Group/Apache2/conf/httpd.conf
• C:/Program Files (x86)/Apache Group/Apache/conf/httpd.conf
• C:/Program Files (x86)/Apache Group/Apache/conf/access.log
• C:/Program Files (x86)/Apache Group/Apache/conf/error.log
• C:/Program Files (x86)/FileZilla Server/FileZilla Server.xml
• C:/Program Files (x86)/xampp/apache/conf/httpd.conf
• C:/WINDOWS/php.ini
• C:/WINDOWS/Repair/SAM
• C:/Windows/repair/system
• C:/Windows/repair/software
• C:/Windows/repair/security
• C:/WINDOWS/System32/drivers/etc/hosts
• C:/Windows/win.ini
• C:/WINNT/php.ini
• C:/WINNT/win.ini
• C:/xampp/apache/bin/php.ini
• C:/xampp/apache/logs/access.log
• C:/xampp/apache/logs/error.log
• C:/Windows/Panther/Unattend/Unattended.xml
• C:/Windows/Panther/Unattended.xml
• C:/Windows/debug/NetSetup.log
• C:/Windows/system32/config/AppEvent.Evt
• C:/Windows/system32/config/SecEvent.Evt
• C:/Windows/system32/config/default.sav
• C:/Windows/system32/config/security.sav
• C:/Windows/system32/config/software.sav
• C:/Windows/system32/config/system.sav
• C:/Windows/system32/config/regback/default
• C:/Windows/system32/config/regback/sam
• C:/Windows/system32/config/regback/security
• C:/Windows/system32/config/regback/system
• C:/Windows/system32/config/regback/software
• C:/Program Files/MySQL/MySQL Server 5.1/my.ini
• C:/Windows/System32/inetsrv/config/schema/ASPNET_schema.xml
• C:/Windows/System32/inetsrv/config/applicationHost.config
• C:/inetpub/logs/LogFiles/W3SVC1/u_ex[YYMMDD].log