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Threat Hunting

Featuring 29 Papers as of December 12, 2019

  • Onion-Zeek-RITA: Improving Network Visibility and Detecting C2 Activity STI Graduate Student Research
    by Dallas Haselhorst - January 4, 2019 

    The information security industry is predicted to exceed 100 billion dollars in the next few years. Despite the dollars invested, breaches continue to dominate the headlines. Despite best efforts, all attempts to keep the enemies at the gates have ultimately failed. Meanwhile, attacker dwell times on compromised systems and networks remain absurdly high. Traditional defenses fall short in detecting post-compromise activity even when properly configured and monitored. Prevention must remain a top priority, but every security plan must also include hunting for threats after the initial compromise. High price tags often accompany quality solutions, yet tools such as Security Onion, Zeek (Bro), and RITA require little more than time and skill. With these freely available tools, organizations can effectively detect advanced threats including real-world command and control frameworks.

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Most of the computer security white papers in the Reading Room have been written by students seeking GIAC certification to fulfill part of their certification requirements and are provided by SANS as a resource to benefit the security community at large. SANS attempts to ensure the accuracy of information, but papers are published "as is". Errors or inconsistencies may exist or may be introduced over time as material becomes dated. If you suspect a serious error, please contact webmaster@sans.org.

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STI Graduate Student Research - This paper was created by a SANS Technology Institute student as part of the graduate program curriculum.