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Threat Intelligence Victory Garden
- 1. Threat Intelligence By Dave Herrald and Ryan Kovar @Splunk
- 2. Disclaimer 2 During the course of this presentation, we may make forward looking statements regarding future events or the expected performance of the company. I often lie. Maybe this is a lie. Wik Alsø wik Alsø alsø wik Wi nøt trei a høliday in Sweden this yër? See the løveli lakes The wøndërful telephøne system And mäni interesting furry animals The characters and incidents portrayed and the names used in this Presentation are fictitious and any similarity to the names, characters, or history of any person is entirely accidental and unintentional. Signed RICHARD M. NIXON Including the majestik møøse A Møøse once bit my Marcus... No realli! He was Karving his initials on the møøse with the sharpened end of an interspace tøøthbrush given him by Svenge – his brother-in-law – a Canadian dentist and star of many Norwegian møvies: "The Høt Hands of an Canadian Dentist", "Fillings of Passion", "The Huge Mølars of Horst Nordfink"... In addition, any information about our roadmap outlines our general product direction and is subject to change at any time without notice. Splunk undertakës no øbligation either to develøp the features or functionality described or to include any such feature or functionality in a future release.
- 3. • 17 years of cyber security experience • Current role on Security Practice team focuses on incident/breach response, threat intelligence, and research • Also investigating why printers are so insubordinate ಠ_ಠ 3 Staff Security Strategist Minster of the OODAloopers @meansec # whoami > Ryan Kovar CISSP,MSc(Dist)
- 4. -20+ years in IT and security -Information security officer, security architect, pen tester, consultant, SE, system/network engineer -Former SANS Mentor Senior Security Architect Minister of Peace @daveherrald # whoami > Dave Herrald CISSP, GIAC G*, GSE #79
- 7. Overview
- 9. Rick Holland Rebekah Brown On the shoulders of SANS giants
- 12. 12
- 13. 13 Tier 1
- 15. Nothing. Just broken dreams and tired analysts
- 16. Why?
- 17. Evangelize
- 18. He who is without knowledge of tickets is lacking cyber hygiene. -Sun Cyber Tzu Think
- 19. Buying Threat Intelligence is awesome…
- 23. We use Splunk But you don’t have to!
- 25. Some security awareness data
- 26. Zoom plz!
- 28. Just Word launching cmd.exe
- 29. Suspicion++
- 30. Security Awareness Training • “Clicking on Phishing test”==“clicking on Spear Phishing email” • Make your users your canaries in the coal mine • Education helps… make your own targeting list
- 34. Set “Audit Object Access” to Success AND failure
- 35. This is cool… But make sure you create whitelists
- 36. Decoy Docs and you • Make a file called passwords.docx. Put usernames/passwords in file and leave it inVIP directories. • Put enhanced audit logging on that directory • Insert Web Beacon into document… setup alerting for its callback • Disable (or restrict) honey-users. Setup alerts for their usage.
- 38. Passive DNS is hard to visualize So here is a camouflaged puppy instead
- 39. Passive DNS in Splunk
- 40. Passive DNS • Record your DNS data • Find out how adversaries have pivoted by looking at your own data • Hunt in your org using your own data
- 41. Google Fooey
- 42. Threat Intel Network Endpoints Identity & Context 42 So many vendors. So little time
- 44. SOC GOOGLE
- 48. Google Fooey and you • Determine what your vendors your security depends upon • Craft Google alerts to notify you of vulnerabilities or compromises • Integrate alerts into your analytical toolkit for automated thingies
- 49. Domain Squatting
- 51. DNS Twist
- 52. dnstwist sans.org -w -g -b -s -m -c -t 100 -d english.dict
- 53. Samuel Johnson in the 21st century
- 55. DNS Twist and you • Search backward.Then alert in the future • Set a cronjob, run it daily, ingest it into your tool set • Increase risk for important variables • Registered domain • MX records • Newly registered domain
- 56. Done
- 57. CTI Victory Garden Showcase App
- 58. CTI Victory Garden Showcase App Github https://github.com/daveherrald/SA-TI_showcase Splunkbase https://splunkbase.splunk.com/app/3441/
- 60. He who is without knowledge of his network is lacking in cyber hygiene. -Sun Cyber Tzu
- 61. And then they bought MORE threat intelligence feeds!!!
- 62. Takeaways • Dig into your own data • DNStwist your way to visibility • Automate your GoogleFu • Local PassiveDNS is good!!! • Don’t let SAT go to waste • Set decoys and then alert on them