1. HOW TO CATCH YOUR “HACKER”
OR
MAKESHIFT SECURITY
Sergey Soldatov
Igor Gots

2. AGENDA
• Water
• Fishing
• Fishbite
• Hookset
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3. W?
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4. W?
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5. INFOSECURITY DEPT. HAS TO
• Write corporate regulations
• Make assessments (compliance &/| pentest)
• Monitor logs!
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6. INFOSECURITY DEPT. HAS TO
• Write corporate regulations
• Make assessments (compliance &/| pentest)
• Monitor logs!
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7. ATTACK STAGES
• Information gathering
• Passive learning
• Active learning
• Obtaining access
• Maintaining access
• Erasing evidence
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8. FISHING
• Firewall/UTM/… :-)
• IDS/IPS
• Commercial
• Opensource/free
• Log analysis
• Commercial
• Opensource/free
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9. WHAT’S HAPPENING WHEN ONE’S BREAKING
• Use or modification of privileged accounts
• Configuration modification
• Unusual activity
• New services or applications
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10. TOOL DEPLOYMENT
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11. RECOMMENDED LIST OF EVENTS
• Pros:
• Microsoft recommends
• Cons:
• Huge amount of data
• Fun:
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12. “IMPROVEMENTS” FOR MICROSOFT GUIDE
• Admin logon from unusual place • Pros:
• Admin logon at unusual time • More AI
• From one IP by different accounts • Cons:
• Lock >1 accounts from one IP • Need time
• Password/Hash dump
• Run system commands
…
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13. UNIVERSAL METHODS
• Pros:
• Start a service
(windows) • Much more AI
• Events (almost) never • Cons:
seen before • 100% we’ve
forgotten smth.
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14. CONDITIONS
• Tested tools:
• OS default
configuration • fgdump
• Up2date AV is up • pwdump
and running • pwdumpx
• OS (almost) up2date • metasploit
• wce
• mimikatz
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15. NEVER SEEN BEFORE EVENTS
• Approaches
• Timeout for statistic collection (up to 24 hours)
• Complex filtering (by criteria)
• Risks
• Server restart in case of intrusion
• Intrusion during statistic gathering
• Complex configuration
• Details of event happening
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16. NEVER SEEN BEFORE EVENTS
(RULE FOR SEC.PL)
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17. FGDUMP
(REMOTE)
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18. PWDUMP6
(REMOTE)
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19. PWDUMPX
(REMOTE)
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20. METASPLOIT
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21. WCE (LOCAL)
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22. BUT
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23. MIMIKATZ (LOCAL)
… and NO LOGS!
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24. DETECTION
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25. HOPE, READY TO ANSWER YOUR QUESTIONS….
Thanks for Your attention!
Igor Gots
Sergey Soldatov
reply-to-all.blogspot.com
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