Tag Archives: hats off security

HTTP Methods

Posted on April 9, 2019 by

In this post we are going to look at different types of HTTP/1.1 methods. We will leave HTTP/2 methods for another day. This will be a summary of each method, it is possible to go into great detail with some … Continue reading →

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Wireshark – More Basics

Posted on April 3, 2019 by

I have been approached recently about explaining some of the fundamentals of how Wireshark can be used. Let’s have a look at some traffic that I captured for a challenge I created recently. Here we can see an example of … Continue reading →

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Decrypting Traffic in Wireshark

Posted on October 30, 2018 by

If you have a HTTPS session captured and are looking at unlocking the secrets that lie within, you are probably looking at Wireshark with eternal optimism hoping that somehow the magical blue fin will answer all of problems…. Sadly that’s … Continue reading →

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Identifying Sites in Encrypted Traffic

Posted on October 29, 2018 by

There is some mis-information around; that encrypted traffic is useless, and you should go back to netflow and statistical analysis only. I disagree. I will be doing a few posts showing clear-text information leakage we can use to our advantage. … Continue reading →

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SMB2 Protocol Negotiation

Posted on January 21, 2018 by

This is one of the few times when looking at SMBv2 you will need to use SMBv1 commands. The initial negotiation request will always be sent out as SMBv1. It makes sense when you think about it, SMB does not … Continue reading →

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SMB2 – File/Directory Metadata

Posted on January 14, 2018 by

Using SMB it is possible to retrieve data that is typically only expected when carrying out host based forensics.  The MACB (Modification, Access, Change and Birth) data is sent across regardless of if a file is accessed or not. With … Continue reading →

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SMB Tree Connect/Response Details

Posted on January 11, 2018 by

If you want to play along at home, the sample PCAP I will be using for SMB2+ is here, the SMB v1 PCAP is not something I can give away sadly. Tree Connect Request/Response When the SMB protocol connects to … Continue reading →

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SMBv2+ SYNC Header Explained

Posted on January 11, 2018 by

SMB2 Header The SMB2 Header will either be ASYNC or SYNC, you need to look this up from the flags. SYNC is the most common header as this can be in the form of a request or a response, where … Continue reading →

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SMB Quick Introduction

Posted on January 10, 2018 by

SMB There are currently 3 major versions of SMB version 3 is quite new (2012) and has been implemented on the latest versions of Windows (8, 2012), Samba 4.1+ and macOS 10.10 Yosemite. I say ‘quite new’ as it takes … Continue reading →

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Ringzer0team – Forensics Challenge 35 – Poor internet connection

Posted on June 2, 2017 by

This writeup is to explain how to get the answer (flag) to the Forensic Challenge named “Poor Internet Connection” I will not be posting the flag here as I am giving you all of the instructions to get it yourself! … Continue reading →

Posted in Competitions, Cyber, Network Analytics, Network Forensics, PCAP Analysis | Tagged , , , , , , | 1 Comment