SplunkLive! Amsterdam 2015 - Analytics based security breakout
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Splunk products provide a flexible and fast security intelligence platform that makes security personnel and processes more efficient by providing quick and flexible access to all of the data and information needed to detect, investigate and remediate threats. This presentation will discuss best practices for building out or enhancing an analytics based security strategy and how Splunk products can make people, process, and technology work better together.
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SplunkLive! Amsterdam 2015 - Analytics based security breakout
- 1. Copyright © 2015 Splunk Inc. Splunk for Security – AKA Analy>c based security Dominique Dessy, CISSP Niklas Blomquist, Security SME
- 2. 2 Today’s Specials • Advanced Threats are hard to find • How to use Splunk for Security? • Add value to exis>ng data • Detect new threats • Splunk Enterprise Security 4.0 • User Behavior Analy>cs 15 October
- 3. 3 Advanced Threats Are Hard to Find Cyber Criminals Na>on States Insider Threats Source: Mandiant M-‐Trends Report 100% Valid creden>als were used 40 Average # of systems accessed 205 Median # of days before detec>on 67% Of vic>ms were no>fied by external en>ty
- 4. 4 Tradi>onal approaches are not good enough • Preven>on of breaches will fail! • Invest more in detec>on • Gather all data in one place • Enrich data with context • Make it easy to search in the data • Make it easy to do advanced analy>cs 4
- 5. 5 SPLUNK FOR SECURITY “Connects People and Data with Context and Extended Intelligence”
- 6. 6 Monitoring, Correla>ons, Alerts Ad Hoc Search & Inves>gate Custom Dashboards And Reports Analy>cs And Visualiza>on Developer PlaQorm All SOC Needs & Personnel Security Intelligence Pla]orm 6 Real-‐>me Machine Data Cloud Apps Servers Email Web Network Flows DHCP/ DNS Custom Apps Badges Intrusion Detec>on Firewall Data Loss Preven>on An>-‐Malware Vulnerability Scans Authen>ca>on Storage Industrial Control Mobile Security Intelligence PlaQorm Threat Feeds Asset Info Employee Info Data Stores Applica>ons External Lookups / Enrichment
- 7. 7 Enables Many Security Use Cases SECURITY & COMPLIANCE REPORTING REAL-‐TIME MONITORING OF KNOWN THREATS DETECTING UNKNOWN THREATS INCIDENT INVESTIGATIONS & FORENSICS FRAUD DETECTION INSIDER THREAT Security Intelligence PlaQorm 7
- 8. 8 Is there a real danger? Adding Value to exis>ng Data
- 9. 9 Adding context BBQ vs house on fire
- 10. 10 Context = Knowledge around the Data " Is this a bad known ip/domain/e-‐mail? " Should user access the SQL server? " Should server communicate X? " Importance of assets and iden>>es " Make data easier to understand
- 11. 11 Data from An>-‐Virus/An>-‐Malware " No need to act if removed " But what if; – The hosts are re-‐infected? – Mul>ple hosts are infected in short >me – If the CEO/CFO/CSIO computer are infected? – Hosts are the web shop/e-‐bank/important system – Other sources alert within short >meframe 11
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- 13. 13 Alerts on most cri>cal events
- 14. 14 Inves>gate the incident
- 15. 15 Visual Inves>ga>ons for All Users
- 16. Threat intelligence Auth -‐ User Roles, Corp Context Host Ac>vity/Security Network Ac>vity/Security 16 How to find new Threats ? WEB Conduct Business Create addi>onal environment Gain Access to system Transac>on MAIL .pdf Svchost.exe Calc.exe Events that contain link to file Proxy log C2 communica>on to blacklist How was process started? What created the program/process? Process making C2 traffic Web Portal .pdf
- 17. Threat intelligence Auth -‐ User Roles, Corp Context Host Ac>vity/Security Network Ac>vity/Security Command & Control Exploita>on & Installa>on Delivery MAIL WEB WEB FW Accomplish Mission Start Anywhere, Analyze Up-‐Down-‐Across-‐Backwards-‐Forward phishing Download from infected site 1 2 5 6 7 8 3 4 Iden>ty, Roles, Privileges, Loca>on, Behavior, Risk, Audit scope, Classifica>on, etc. • Third-‐Party Threat Intel • Open source blacklist • Internal threat intelligence • Firewall • IDS / IPS • Vulnerability scanners • Web Proxy • NetFlow • Network • Endpoint (AV/IPS/FW) • Malware detec>on • PCLM • DHCP • OS logs • Patching • Ac>ve Directory • LDAP • CMDB • Opera>ng System • Database • VPN, AAA, SSO
- 18. 18 New Features in Enterprise Security 4.0 Optimize multi-step analyses to improve breach detection and response Extensible Analytics & Collaboration INVESTIGATION COLLABORATION • Inves>gator Journal • Aoack & Inves>ga>on Timeline • Open Solu>ons Framework • Framework App : PCI
- 19. 19 Aoack & Inves>ga>on Timeline Same events can have different security meanings, based on sequence: Track Actions 1" 3"2" Analyst / Investigator Event 1 … 13:01:21 Event 2 … 13:42:17 Action 3 Note “Windows event” What happened? If event 1, then event 2, then… Ah – ha, that’s how they got in. Now what infected the host? Brute Force = Exfiltration Login Failure Proxy Event Brute Force = Recon, Lateral Movement Login Failure Login Failure Brute Force = Forgotten Password
- 20. 20 Aoack & Inves>ga>on Timeline Methods to add contents into >meline : Action History Actions : • Search Run • Dashboard Viewed • Panel Filtered • Notable Status Change • Notable Event Suppressed Investigator Memo Notes: Investigator’s notes inserted in timeline Track Actions 1" 3"2" Incident Review Incident : Notable events from Incident Review Analyst / Investigator
- 21. 21 Aoack & Inves>ga>on Timeline Allows collabora>on between mul>ple analysts UI Action History : Search UI Action History : Viewed Dashboard Edit Entry : Analyst’s Memo Collaborator entry Tier 1 Tier 2 Analyst Tier 2 Analyst Collaborate One Holistic view from Collective Knowledge
- 22. PLAY DEMO 22
- 23. 23 Open Solu>ons Framework Supports critical security related management framework features Enterprise Security Framework • Notable Events Framework • Thereat Intelligence Framework • Risk Scoring Framework • Identity & Asset Framework Customer Apps APPs / Contents Partner Apps APPs / Contents Splunk Apps APPs / Contents • Export • Import • Share Collaborate • Summarization Framework • Alerting & Scheduling • Visualization Framework • Application Framework External" Instance
- 24. 24 Extensible Analy>cs & Collabora>on Open Solutions Framework • Create, access and extend ES functionality – Notable event framework – Risk framework – Threat intelligence framework – Identity & asset framework • Apps and content can be imported and exported at any time 24 Collaborate
- 25. PLAY DEMO 25
- 26. Copyright © 2015 Splunk Inc. Splunk User Behavior Analy>cs (UBA) Powered by Caspida
- 27. DATA-‐SCIENCE DRIVEN BEHAVIORAL ANALYTICS BIG DATA DRIVEN SECURITY ANALYTICS MACHINE LEARNING A NEW PARADIGM
- 28. MAPPING RATs TO ACTIONABLE KILL-‐CHAIN A W N O M A L I E S H R E A T
- 29. 29 CYBER ATTACK 29 USER ACTIVITIES! RISK/THREAT DETECTION AREAS! Mark and Fred access a malicious website. A backdoor gets installed on their computers! Malicious Domain (AGD)! Unusual Browser Header!Nov 15! Unusual Machine Access for Mark! (lateral movement; individual + peer group)!Dec 10!The attacker logs on to Domain Controller via VPN with Mark’s stolen credentials from 1.0.63.14 ! Unusual Browser Header for Mark and Fred!Nov 16! The attacker uses Mark and Fred's backdoors to download and execute WCE to crack their password! Nov 16! Beacons for Mark and Fred to www.byeigs.ddns.com! Mark and Fred's machines are communicating with www.byeigs.ddns.info! Unusual Machine Access for Fred! Unusual File Access for Fred ! (individual + peer group))! Dec 10! The attacker logs in as Fred and accesses all excel and negotiations docs on the BizDev shares! Unusual Activity Sequence of Admin for Fred (AD/DC Privilege Escalation)!Dec 10! The attacker steals the admin Kerberos ticket from admin account and escalates the privileges for Fred.! Excessive Data Transmission for Mark" Unusual VPN session duration!Jan 14!The attacker VPNs as Mark, copies the docs to an external staging IP and then logs out after 3 hours.!
- 30. 30 Splunk User Behavior Analy>cs (formerly Caspida) Advanced Security Analy0cs UBA SPLUNK Data Science & Decision Engine Automated Threat Detec>on AD, SSO App, DB logs Firewall, IPS, DLP Ne]low, PCAP Threat Feeds UBA threat results fed into Splunk ES Security Analy>cs & Event Repository
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- 33. 33 UBA vs ES 4.0 UBA Enterprise Security • Keep all data • Will require tuning • Easy to create new searches, dashboards, correla>ons etc • Will require analy>c resources to map events to threats • Possible to further inves>gate • Only keep data around anomaly • Automa>cally baseline • Not possible to customize in the same way as Enterprise Security • Will map anomalies to threats • Limited possibility to do further inves>ga>on 33
- 34. 34 Key takeaways • Preven>on of breaches will fail! • Invest more in detec>on • Splunk can help – Faster – Easier – More – Less labor 34
- 35. Thank You