Domain Fronting Cobalt Strike
The host on the listener will be the provisioned appspot domain but the tasking servers is where the real magic happens.
Domain fronting cobalt strike. Next we will set up a cobalt strike listener. Domain fronting ist ein technischer vorgang bei dem internet zensur durch das verschleiern der domain einer https verbindung umgangen wird der vorgang passiert in der anwendungsschicht und erlaubt eine verbindung herzustellen auch wenn die verbindung durch technische maßnahmen wie deep packet inspection ip oder dns abfragen blockiert wird. Log into your cobalt strike instance and create a new listener. Tom steele and chris patten from optiv s attack and penetration team wrote escape and evasion egressing restricted networks.
We can set the tasking servers for basically any. The key here is that your host needs to point to your cloudfront instance and the beacon domain points to the target frontable. Tom steele and chris patten from optiv s attack and penetration team wrote escape and evasion egressing restricted networks. Domain fronting with cobalt strike.
With a valid c2 profile created and tested we will start up our cobalt strike teamserver. Finally we ll setup scripted web delivery for our demo. Raphael mudge has discussed using domain fronting with cobalt strike in high reputation redirectors and domain fronting domain fronting with google app engine gae is discussed in the original paper on domain fronting and more accessibly in camouflage at encryption layer.
Let s say a popular blog. Let s say a popular blog. This blog post shows how to setup a cloudfront distribution as a redirector for cobalt strike s beacon payload. This blog post shows how to setup a cloudfront distribution as a redirector for cobalt strike s beacon payload.
Then we need to build a malleable c2 profile that will set the host header to the cloudfront domain. Domain fronting with cobalt strike. Http post client header. Once this is setup you ll want to decide which domain s you will use as redirectors.
We need to configure cobalt strike to work with cloudfront which is easy.