{"id":1005,"date":"2008-09-10T05:57:06","date_gmt":"2008-09-10T05:57:06","guid":{"rendered":"https:\/\/www.darknet.org.uk\/?p=1005"},"modified":"2015-09-09T19:39:17","modified_gmt":"2015-09-09T11:39:17","slug":"reduh-tcp-redirection-over-http","status":"publish","type":"post","link":"https:\/\/www.darknet.org.uk\/2008\/09\/reduh-tcp-redirection-over-http\/","title":{"rendered":"reDuh &#8211; TCP Redirection over HTTP"},"content":{"rendered":"<p><strong>What Does reDuh Do?<\/strong><\/p>\n<p>reDuh is actually a tool that can be used to create a TCP circuit through validly formed HTTP requests.<\/p>\n<p>Essentially this means that if we can upload a JSP\/PHP\/ASP page on a server, we can connect to hosts behind that server trivially<\/p>\n<p><strong>What is it for?<\/strong><\/p>\n<p>a) Bob.Hacker has the ability to upload \/ create a JSP page on the remote server<\/p>\n<p>b) Bob.Hacker wishes to make an RDP connection to the server term-serv.victim.com (visible to the web-server behind the firewall)<\/p>\n<p>c) The firewall permits HTTP traffic to the webserver but denies everything else<\/p>\n<p>d) Bob.Hacker uploads reDuh.jsp to http:\/\/example.xom\/uploads\/reDuh.jsp<\/p>\n<p>e) Bob.Hacker runs reDuhClient on his machine and points it to the page: $ java reDuhClient ubuntoo.victim.com 80 \/uploads\/reDuh.jsp<\/p>\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3033787195489589\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- Darknet Responsive Post Ad Links [previously link ad unit] -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3033787195489589\"\r\n     data-ad-slot=\"5456620019\"\r\n     data-ad-format=\"auto\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<p>f) Bob.Hacker administers reDuhClient by connecting to its management port (1010 by default)<\/p>\n<p>g) Once connected, Bob.Hacker types: [createTunnel]1234:term-serv.victim.com:3389<\/p>\n<p>h) Now Bob.Hacker launches his RDP client, and aims it at localhost:1234<\/p>\n<p>reDuhClient and reDuh.jsp will happily shunt TCP until they are killed..<\/p>\n<p>The system can handle multiple connections, so while RDP is running, we can use the management connection (on port 1010) again, and request [createTunnel]5555:sshd.victim.com:22<\/p>\n<p>Bob.Hacker can now ssh to localhost on port 5555 to access the sshd on sshd.victim.com (while still running his RDP session)<\/p>\n<p>You can download reDuh here:<\/p>\n<p><a href=\"http:\/\/www.sensepost.com\/research\/reDuh\/reDuhClient-0.2.tgz\">Download reDuhClient (the local proxy)<\/a><br \/>\n<a href=\"http:\/\/www.sensepost.com\/research\/reDuh\/reDuh-server-all.tgz\">Download reDuhu Server Pages (JSP\/PHP\/ASP)<\/a><\/p>\n<p>Or read more <a href=\"http:\/\/www.sensepost.com\/research\/reDuh\/\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does reDuh Do? reDuh is actually a tool that can be used to create a TCP circuit through validly formed HTTP requests. Essentially this means that if we can upload a JSP\/PHP\/ASP page on a server, we can connect to hosts behind that server trivially What is it for? a) Bob.Hacker has the ability [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[9,5],"tags":[2153,1602,8858,2152],"featured_image_src":null,"featured_image_src_square":null,"author_info":{"display_name":"Darknet","author_link":"https:\/\/www.darknet.org.uk\/author\/darknet\/"},"_links":{"self":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/posts\/1005"}],"collection":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/comments?post=1005"}],"version-history":[{"count":0,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/posts\/1005\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/media?parent=1005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/categories?post=1005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.darknet.org.uk\/wp-json\/wp\/v2\/tags?post=1005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}