HTTP/2 Packet Analysis with Wireshark, (Fri, Aug 26th)

I have been getting these queries in my honeypot logs since end of December 2021 and decided to a diary on some of these packets using some basic analysis with Wireshark. Handlers have published a few diaries over the years [1][2][3] regarding this protocol. These packets are from censys.io[4] which is a site that provides internet discovery and inventory like Shodan. In my logs, the activity looked like this:

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Taking Apart URL Shorteners, (Thu, Aug 25th)

Ever get a “shortened” url (bit.ly, tinyurl.com or whatever) and stress about “clicking that link”? Or worse yet, have that “Oh No” moment after you just clicked it? Or possibly tripped over such a link during IR and have to investigate it? Is there a way to look at the link contents without a sandbox with a packet sniffer (or fiddler or burp or similar)?

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Who’s Looking at Your security.txt File?, (Tue, Aug 23rd)

In April 2022, the RFC related to the small file &#;x26;#;xe2;&#;x26;#;x80;&#;x26;#;x9c;security.txt&#;x26;#;xe2;&#;x26;#;x80;&#;x26;#;x9d; was released&#;x26;#;x5b;1&#;x26;#;x5d;. It was already popular for a while, but an RFC is always a good way to &#;x26;#;xe2;&#;x26;#;x80;&#;x26;#;x9c;promote&#;x26;#;xe2;&#;x26;#;x80;&#;x26;#;x9d; some best practices&#;x26;#;x21; If you&#;x26;#;39;re unaware of this file, it helps to communicate security contacts (email addresses, phone, …) to people who would like to contact you to report an issue with your website or your organization. This security.txt file was deployed on my websites for a while, and I never really paid attention to its popularity. The ISC also has its one&#;x26;#;x5b;2&#;x26;#;x5d;.

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