mirror of https://github.com/MISP/misp-training
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\item Tagging is a simple way to attach a classification to an event or an attribute.
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\item In the early version of MISP, tagging was local to an instance.
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\item {\bf Classification must be globally used to be efficient}.
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\item After evaluating different solutions of classification, we build a new scheme using the concept of machine tags.
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\item After evaluating different solutions of classification, we built a new scheme using the concept of machine tags.
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\end{itemize}
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\end{frame}
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\begin{frame}
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\frametitle{Machine Tags}
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\begin{itemize}
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\item Triple tag or machine tag was introduced in 2004 to extend geotagging on images.
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\item Triple tag, or machine tag, format was introduced in 2004 to extend geotagging on images.
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\end{itemize}
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{
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\setlength{\fboxsep}{1pt}
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@ -30,7 +30,7 @@
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\item A machine tag is just a tag expressed in way that allows systems to parse and interpret it.
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\item Still have a human-readable version:\\
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\begin{itemize}
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\item admiralty-scale:Source Reliability="Fairly reliable"
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\item admiralty-scale:source-reliability="Fairly reliable"
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\end{itemize}
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\end{itemize}
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\end{frame}
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\item Taxonomies are implemented in a simple JSON format.
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\item Anyone can create their own taxonomy or reuse an existing one.
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\item The taxonomies are in an independent git repository\footnote{\url{https://www.github.com/MISP/misp-taxonomies/}}.
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\item These can be freely reused and integrated in other threat intel tools.
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\item Taxonomies are licensed under CC0 (public domain) except if the taxonomy author decided to use another license.
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\item These can be freely reused and integrated into other threat intel tools.
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\item Taxonomies are licensed under Creative Commons (public domain) except if the taxonomy author decided to use another license.
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\end{itemize}
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\end{frame}
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\item OSINT {\bf Open Source Intelligence - Classification}
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\item TLP - {\bf Traffic Light Protocol}
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\item Vocabulary for Event Recording and Incident Sharing - {\bf VERIS}
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\item and many more like ENISA, Europol, or the draft FIRST SIG Information Exchange Policy.
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\item And many more like ENISA, Europol, or the draft FIRST SIG Information Exchange Policy.
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\end{itemize}
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\end{frame}
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@ -139,7 +139,7 @@
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\frametitle{How are taxonomies integrated in MISP?}
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\includegraphics[scale=0.21]{tags-2-4-70.png}
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\begin{itemize}
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\item MISP administrator can just import (or even cherry pick) the namespace or predicates they want to use as tag.
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\item MISP administrator can just import (or even cherry pick) the namespace or predicates they want to use as tags.
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\item Tags can be exported to other instances.
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\item Tags are also accessible via the MISP REST API.
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\end{itemize}
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@ -158,7 +158,7 @@
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\frametitle{Other use cases using MISP taxonomies}
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\begin{itemize}
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\item Tags can be used to set events or attributes for {\bf further processing by external tools} (e.g. VirusTotal auto-expansion using Viper).
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\item Ensuring a classification manager {\bf classies the events before release} (e.g. release of information from air-gapped/classified networks).
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\item Ensuring a classification manager {\bf classifies the events before release} (e.g. release of information from air-gapped/classified networks).
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\item {\bf Enriching IDS export} with tags to fit your NIDS deployment.
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\item Using {\bf IntelMQ} and MISP together to process events (tags limited per organization introduced in MISP 2.4.49).
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\end{itemize}
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\item {\bf Python module} to handle the taxonomies
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\item {\bf Offline} and online mode (fetch the newest taxonomies from GitHub)
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\item Simple {\bf search} to make tagging easy
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\item Totally independant from MISP
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\item Totally independent from MISP
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\item {\bf No external dependencies} in offline mode
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\item Python3 only
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\item Can be used to create \& {\bf dump a new taxonomy}
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\end{frame}
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\begin{frame}
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\frametitle{The dilemma of false-positive}
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\frametitle{The dilemma of false-positives}
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\begin{itemize}
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\item False-positive is a {\bf common issue} in threat intelligence sharing.
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\item False-positives are a {\bf common issue} in threat intelligence sharing.
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\item It's often a contextual issue:
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\begin{itemize}
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\item false-positive might be different per community of users sharing information.
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\item organization might have their {\bf own view} on false-positive.
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\item False-positives might be different per community of users sharing information.
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\item Organizations might have their {\bf own view} on false-positives.
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\end{itemize}
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\item Based on the success of the MISP taxonomy model, we build misp-warninglists.
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\item Based on the success of the MISP taxonomy model, we built misp-warninglists.
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\end{itemize}
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\end{frame}
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\begin{frame}[t,fragile]
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\frametitle{MISP warning lists}
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\begin{itemize}
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\item misp-warninglists are lists of {\b well-known indicators} that can be associated to potential false positives, errors or mistakes.
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\item misp-warninglists are lists of {\b well-known indicators} that can be associated to potential false positives, errors, or mistakes.
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\item Simple JSON files
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\end{itemize}
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\begin{lstlisting}[language=json,firstnumber=1]
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\item The warning lists are integrated in MISP to display an info/warning box at the event and attribute level.
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\item Enforceable via the API where all attributes that have a hit on a warninglist will be excluded.
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\item This can be enabled at MISP instance level.
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\item Default warning lists can be enabled or disabled like {\bf known public resolver}, {\bf multicast IP addresses}, {\bf hashes for empty values}, {\bf rfc1918}, {\bf TLDs} or {\bf known google domains}.
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\item Default warning lists can be enabled or disabled like {\bf known public resolver}, {\bf multicast IP addresses}, {\bf hashes for empty values}, {\bf rfc1918}, {\bf TLDs} or {\bf known Google domains}.
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\item The warning lists can be expanded or added in JSON locally or via pull requests.
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\item Warning lists can be also used for {\bf critical or core infrastructure warning}, {\bf personally identifiable information}...
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\end{itemize}
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