supercop89 Posted May 7, 2023 Share Posted May 7, 2023 Hi, we started the binary with the https flag and downloaded the device.config to the croc. In the firewall we see that the croc tries to connect to 443 but the binary delivers the following answer to the croc. Therefore it is no connection to the c2 cloud. remote error: tls: expired certificate Everytime the same behaviour. Very strange. BR cop Link to comment Share on other sites More sharing options...
dark_pyrro Posted May 7, 2023 Share Posted May 7, 2023 Check the Lets Encrypt certs handling on the Croc. Someone did a "howto" based on my posts on the forums about fixing this:https://bobmckay.com/i-t-support-networking/security/hak5-keycroc-problems-connecting-to-cloud-c2-when-https-is-used/ My original forum post:https://forums.hak5.org/topic/52070-keycroc-cannot-connect-to-c2/?do=findComment&comment=344952 Link to comment Share on other sites More sharing options...
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