Penetration Testing mailing list archives
SMTP & Covert Channels
From: "Abe Getchell" <me () abegetchell com>
Date: Tue, 6 Jan 2009 20:08:42 -0500
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hey all, As I briefly mentioned in a previous post to the list, I wrote up some information regarding the establishment of a covert channel using the X-Spam-Report header within the SMTP protocol. I threw up a quick blog post about it here http://abegetchell.blogspot.com/ which includes a link to a Perl script demonstrating the concept. I will hopefully be getting some additional interesting stuff up on the blog within the coming weeks. Enjoy! Abe - -- Abe Getchell me () abegetchell com https://abegetchell.com/ -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 9.8.3 (Build 4028) Charset: US-ASCII wsBVAwUBSWQApxgR0SeaGdcAAQit4Af/SgwIw+UCHlvNoDI+R0qpfvpaIKuY6300 p1RFM6Hq9jvOhawPmzXhOMBNwarzRb0snSV3HlfDtbGygK7IBLqaJntBVgNSt5hP v/Nu+xtKMAFHYrmtBUmHc3sQdmywzCB9vpJboBBGnofAlwxDqoPNsMhnV1fwQmPd sbIlhEjnRCg3egzSwtxORAuw7iYX68Rw/RAfRlMjXoY30oQwfnO6b9IDgVDAdBYe JkWslENElc40IOiMANOGp4pRIb2Hg/lHLIi76CADIbu/ysXatkWvHf82T9M1VzE9 uQz5Wfidvhx+QaT1UO9W/kPOMCk22AxOjs2Wkj/VLWxUENcn7XBB7A== =iPAc -----END PGP SIGNATURE-----
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- SMTP & Covert Channels Abe Getchell (Jan 06)