Using Att&ck framework in Azure Sentinel

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The Mitre Att&ck framework is frequently utilized by Security Operation Centers to describe the behavior of the threat or to display detection capabilities. Because of the widespread use of the framework, a lot of Security vendors introduced it in their tooling. Azure Sentinel also has some capabilities related to Att&ck, but it does not provide every functionality a SOC needs. I created some solutions in the past (and present) to bypass Sentinel’s limitations which I am going to show in this article.
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Hiding the Referrer

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When you investigate a malicious site opening or malicious file download, oftentimes you want to find out how your user got there. Checking the referrer information in proxy logs is one of the most trivial things to do if you want to identify the root cause, the initial site. Unfortunately, there are ways for an attacker to create a site that will alter or hide the referrer information. If the logs do not have the required referrer information and you are not aware that they can be hidden, you can incorrectly assume that there was no referrer at all.
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Ways of phishing 2 - HTML smuggling

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As a sequel of my previous post, I’m going to talk a little bit about another technique used in phishing that I encountered recently. This technique is HTML smuggling. This method is not new, but it definitely appears in more and more attacks, including phishing scenarios. This is why it is so important to know about the ins and outs of this approach. List of the three methods I’m showing in this 3 episode-long series:
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