Reverse social engineering is an attack where usually trust is established between the attacker and the victim. The attackers create a situation in which the victim requires help and then present themselves as someone the victim considers can both solve their problem and trustworthy enough to receive privileged information. Of course, the attackers try to choose an individual who they believe has information that will help them.
The reverse social engineering mainly involves three parts. For more information, refer to http://offensivecommunity.net/thread-80.html
