README
¶
MalCert proof of concept to accompany blog post
This is a POC demonstrating a covert channel over x509 extensions framework written in GO, for the server and pcap this demonstration shows sending mimikatz over this covert channel to a client. The filename was hardcoded "mimikatz.bin". The PCAP is from a run using local loopback.
Blog: https://www.fidelissecurity.com/threatgeek/2018/02/exposing-x509-vulnerabilities Paper: vixra.org/abs/1801.0016
Documentation
¶
Overview ¶
Client code for demonstrating transfering a file over x509 extension covert channel. Research paper over x509 covert channel: http://vixra.org/abs/1801.0016 Written by: Jason Reaves ver1 - 2Jan2018
MIT License ¶
Copyright (c) 2018 Jason Reaves ¶
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Server code for demonstrating transfering a file over x509 extension covert channel. Research paper over x509 covert channel: http://vixra.org/abs/1801.0016 Written by: Jason Reaves ver1 - 2Jan2018
MIT License ¶
Copyright (c) 2018 Jason Reaves ¶
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Source Files
Directories