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DNS-BASED R&A DDOS ATTACK RESEARCH


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HAVE YOU NOTICED DNS SCANS FROM US ON YOUR NETWORK?



YOU CAN FIND ALL RELEVANT INFORMATION HERE!


ABOUT THE PROJECT

Distributed Denial of Service (DDoS) is a type of Internet attacks in which a
malicious actor overwhelms a target host by sending a large amount of network
traffic. In order to do so, attackers usually misuse hosts on the Internet that
are openly running connectionless networking protoclos such as Domain Name
System (DNS), Network Time Protocol (NTP) and memcache, to name a few. In this
research we aim to study open DNS resolvers as one of the services frequently
abused in DDoS attacks.






WHAT TO EXPECT

We send DNS queries to all routable IPv4 addresses (typically on a weekly
basis). Doing so we query subdomains of research.openresolve.rs domain as an
indication for network administrators to be able to contact us. In cases where a
host is detected to be recursively resolving our DNS request, we would perform
extra queries to further study its behaviour.




WHITELISTING

If you wish to be excluded from our scans you can contact us by sending an email
to r.yazdani[at]utwente.nl including the CIDRs that you want to be excluded from
our scans . You would need to provide a proof that you have authority over the
CIDRs that you want to be whitelisted.

Contact Us





TEAM MEMBERS

Ramin Yazdani
PhD student
DACS research group
University of Twente
r.yazdani[at]utwente[dot]nl
Anna Sperotto
Associate professor
DACS research group
University of Twente
a.sperotto[at]utwente[dot]nl
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This research is funded by the EU H2020 projects CONCORDIA (#830927) and
partially funded by SIDNfonds.

   

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