Research of Network Covert Channel Based on BHO
Wang Juan · Jisuanji gongcheng · 2009
To alleviate the weakness of existed network covert channels in traffic concealing and proxy penetration,a new method of constructing covert channel based on BHO is proposed.The method using Internet space such as webmail,blog or bbs to transfer information.The legality and parasitic ness of BHO provides protection against anti-virus software and firewall,and make it easy to conceal traffic and penetate proxy.Detail design and code framework are given,tests are done to validate the network covert channel.Some advice are given to protect against this kind of network covert channel.