chg: [preso] minor edits - pssl

master
Jean-Louis Huynen 2019-07-03 10:25:47 +02:00
parent 4b6cffb3b2
commit 293cf21c4c
No known key found for this signature in database
GPG Key ID: 64799157F4BD6B93
2 changed files with 4 additions and 16 deletions

Binary file not shown.

View File

@ -120,7 +120,7 @@ see \url{https://github.com/D4-Project}
\item [\checkmark] Blackhole DDoS
\item [\checkmark] Passive DNS
\item [\checkmark] Passive SSL
\item \href{https://github.com/0xrawsec/gene}{Gene}/\href{https://github.com/0xrawsec/whids}{WHIDS} (sysmon)
\item Gene\footnote{\url{https://github.com/0xrawsec/gene}} / WHIDS\footnote{\url{https://github.com/0xrawsec/whids}} (sysmon)
\item BGP mapping
\item egress filtering mapping
\item Radio-Spectrum monitoring: 802.11, BLE, \sout{GSM}, etc.
@ -373,24 +373,10 @@ The D4 server provides a {\bf web interface} to manage D4 sensors, sessions and
{\bf Passive SSL revamping}
\end{center}
\end{frame}
\begin{frame}
\frametitle{A passive SSL fingerprinter}
CSIRT's rationale for collecting TLS handshakes:
\begin{itemize}
\item {\bf pivot} on additional data points,
\item {\bf find} owners of IP addresses,
\item {\bf detect} usage of CIDR blocks,
\item {\bf detect} vulnerable systems,
\item {\bf detect} compromised services,
\item {\bf detect} key material reuse,
\item {\bf detect} weak keys.
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Objectives - TLS Fingerprinting}
{\bf Keeping} a log of links between:
{\bf Keep} a log of links between:
\begin{itemize}
\item x509 certificates,
\item ports,
@ -401,6 +387,8 @@ The D4 server provides a {\bf web interface} to manage D4 sensors, sessions and
\begin{displayquote}
``JA3 is a method for creating SSL/TLS client fingerprints that should be easy to produce on any platform and can be easily shared for threat intelligence.''\footnote{https://github.com/salesforce/ja3}
\end{displayquote}
{\bf Pivot} on additional data points during Incident Response
\end{frame}
\begin{frame}