offline:wrccdc_pcaps_results
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offline:wrccdc_pcaps_results [2018/05/12 23:35] – [Start from PCAP Summary Dashboard] veera | offline:wrccdc_pcaps_results [2018/05/12 23:58] – [File Extraction] veera | ||
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==== Hosts Dashboard ==== | ==== Hosts Dashboard ==== | ||
- | ** Open with Dashboards > Hosts ** | + | //Open with Dashboards > Hosts// |
The Hosts dashboard is a good top level dashboard to give you a baseline view of host activity. See which internal and external are most active. By volume, by connections, | The Hosts dashboard is a good top level dashboard to give you a baseline view of host activity. See which internal and external are most active. By volume, by connections, | ||
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==== Get an overview of flow activity ==== | ==== Get an overview of flow activity ==== | ||
+ | //Open with Dashboards > Sessions// | ||
+ | |||
+ | This is a favorite starting point. You can see the PCAP dump from a flow perspective, | ||
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==== Viewing IDS Alerts | ==== Viewing IDS Alerts | ||
+ | Another great baseline place to start. Remember from Part-1 in addition to Trisul , we also run Suricata with ALL rules from ET-Open ruleset. The alerts generated by this give us a fairly good idea of the hygiene of the network. In this case, as you would expect there are a ton of NMAP scans, a few ETERNALBLUE and other alerts. You can use the " | ||
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==== Retro Analysis - view advanced counters ==== | ==== Retro Analysis - view advanced counters ==== | ||
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+ | //To open : Retro > Retro Counters // | ||
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+ | The retro analysis tools let you select arbitrary timeframe in the past and then drilldown into that. Since TrisulNSM is a streaming analytics tool, it can handle very large timeframes easily compared to search based tools. | ||
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- | Here we are seeing | + | You have to select a time frame from the bandwidth chart and then select one of the 40+ " |
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===== Drilldown techniques ===== | ===== Drilldown techniques ===== | ||
+ | Once you have a fairly solid baseline you can go back and decide which paths you want to follow to drilldown further. You might be interested in first checking out the critical IDS alerts, or tracking down flows. This section introduces you to the tools you will use for the drilldowns. | ||
==== Explore flows ==== | ==== Explore flows ==== | ||
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+ | Most of the times you want to first drop down to the flow level. This can be accessed by " | ||
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==== Trisul EDGE: Graph analytics discover relationships ==== | ==== Trisul EDGE: Graph analytics discover relationships ==== | ||
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+ | We recently added Graph Analytics to Trisul. This solves a common question that analysts ask from any " | ||
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==== File Extraction ==== | ==== File Extraction ==== | ||
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+ | Trisul has the ability using the "Save Binaries" | ||
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- | + | The extracted files are stored by the app in ''/ | |
- | ==== Drilldown | + | |
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- | ==== File extraction ==== | ||
< | < | ||
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</ | </ | ||
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+ | ==== Drilldown to Packets ==== | ||
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+ | [{{ : | ||
offline/wrccdc_pcaps_results.txt · Last modified: 2018/05/13 00:08 by veera