计算机网络安全技术 不同寻常的网络访问控制系统迂回技术

After a while, finding that nothing more happened, she decided on going into the garden at once; but, alas for poor Alice! when she got to the door, she found she had forgotten the little golden key, and when she went back to the table for it, she found she could not possibly reach it: she could see it quite plainly through the glass, and she tried her best to climb up one of the legs of the table, but it was too slippery; and when she had tired herself out with trying, the poor little thing sat down and cried.

Lewis Carroll "Alice In Wonderland"
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Cooking channels - is a set of two python scripts (CGI and client) allowing to build a communication channel over HTTP cookies.

The paper How to cook a covert channel [Hakin9 Pdf] originally released in the hakin9 magazine describes step by step how to implement a few covert channel concepts over HTTP cookies :
   o Control communication channel
   o As stealth as possible (don't care about latency or bandwith)
   o Backdoor oriented

The paper finally describes a funny second level caching method allowing to use HTTP proxy servers as intermediaries to build a communication channel thus having a way to communicate with a third party without having to reach the remote server for each data packet.

Current version: 1.1; README , CHANGELOG
Download | md5sum: 2ea1c6a47486e123439a40c3ca64484a

Index of projects

CCTT, "Covert Channel Tunneling Tool" - is a C tool presenting several exploitation techniques allowing the creation of arbitrary data transfer channels in the data streams authorized by a network access control system.
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Team member's sites:

GNU  GNU General Public License
 GNU Free Documentation License