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Situational Awareness Paul Halliday | Security Analyst | NSCC | CANHEIT 2010

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• 20+ Sites (13 Campuses) • 5500 IP Devices • 25,000 Full-time/Part-time & Online Students • 1,800 Employees About The Nova Scotia Community College

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About My Job

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Warm Warm Warm Cold Cold Cold Session Data and PCAP Metadata Event and alert Data Awareness About This presentation

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Zabbix A very brief introduction

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Data Sources Where the raw information comes from and how

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• Easy to collect and process(SIAFI) • Clearly defned and concise • Results should be consistent and verifable • Cheap (resource wise) • Preferably not proprietary Rules for data sources The rules I try to follow anyway

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Putting it all together. Presentation status.nscc.ca

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Links to sections within this tab Section Content (a graph or stub or both) Section note Section Title … FLOW IDS NESS US URL ZABB IX 1 2 3 4 5 SH

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Control #1 Control #2 Control #3 Section content A graph created with RRDTool that shows Internet Trafc FLOW

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Section content A graph created with Zabbix that shows flesystem utilization ZABB IX

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Section content A graph created with JpGraph that shows IDS alert data IDS IP2C

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Section content A graph created with Afterglow that shows IDS alert data IDS

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Section content A Stub created with a MySQL query that shows blocked Email

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A Section A graph and stub (fow-tools) combined that show Blackhole activity FLOW

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A Section in action Suspicious activity FLOW

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A Section in action Suspicious activity 10.11.12.13 - - [29/May/2010:00:24:58 -0300] "GET /MaV2XmZP8T6Y2Us29ae3c2a404357831ccd07fc6a0aec04d18g HTTP/1.1" 404 122 "http://daybreak.com/key/? qs=52db268891d044c4fa128d4e06b660870c2fe9c4ca138597ad60562136102f407d68b576f42d29c7e 60320ff28a9667d&t=daypro+testimonials" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; InfoPath.1)" 10.11.12.13 - - [29/May/2010:00:42:19 -0300] "GET/? xurl=http://cdn.mfdclk001.org/6vQ11Ovp8f7J1NO2fca2fef53de5ef21823110c774f7972617c&xref=http:/ /www.dogfleatreatment.com/default.pk? tsearch=auto+credit+loan+poor&search_button.x=48&search_button.y=12 HTTP/1.1" 200 1870 "-" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; InfoPath.1)" 10.11.12.13 - - [29/May/2010:00:42:26 -0300] "GET/? xurl=http://cdn.mfdclk001.org/VKw2IN5L7g4JXpS8460217bb4f66f154be9a6e568412b24f38h&xref=htt p://bagging.org/key/? qs=52db268891d044c4fa128d4e06b660870c2fe9c4ca138597ad60562136102f407d68b576f42d29c7e 60320ff28a9667d&t=auto+credit+loan+poor HTTP/1.1" 200 1870 "-" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR

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• Be consistent and conscious of fow • Be clear. Use helpers • Be mindful of loading time • Don’t “dead end” the user • Think ahead Rules for data presentation Ok, maybe just suggestions

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Tab C O M P L I A N C E : Contains compliance related information

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WWW NESS US ZABB IX

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Nessus HTML output • BIG! 300K to 1.5M in size; redundant • Difcult to navigate • Single option for host representation

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Modifed HTML output • Small! Under 10K • Just report relevant info • Sort option on column headings • Hostname and IP

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Tab D E V I C E S : Contains maps created by Zabbix

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ZABB IX

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Tab E M A I L : Contains SPAM summary data and Exchange environment information

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ZABB IX

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IP2C

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This link graph shows a typical day of spam:

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This link graph shows a particularly heavy day of spam:

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FLOW SH

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Tab N E T W O R K : Contains high level network information

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FLOW

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Tab S I T E S : Acts as a loader for sensor content

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FLOW

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Tab S T U D E N T V L A N : An example (last one, promise) of grouped content

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FLOW

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IDS SH

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IP2C IDS

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IDS

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• URELLS • Visuals with more depth • New types of visuals: - Wordmaps (tag clouds) - Circos • Hints in link area The Future? Where are we going