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PHD-CS-L  May 2015

PHD-CS-L May 2015

Subject:

Reminder: [SANG Seminar] -- 05/08 -- 12:00 noon -- Delving into Internet DDoS Attacks by Botnets: Characterization and Analysis

From:

Songqing Chen <[log in to unmask]>

Reply-To:

Songqing Chen <[log in to unmask]>

Date:

Thu, 7 May 2015 07:19:54 -0400

Content-Type:

TEXT/PLAIN

Parts/Attachments:

Parts/Attachments

TEXT/PLAIN (59 lines)

Dear all,
[apologies if you receive multiple posting]

Just a friendly reminder.
****************************************
Date: 05/08/2015

Time: 12:00 PM - 1:00 PM

Venue: Engineering Building 4201

Speaker: An Wang

Title: Delving into Internet DDoS Attacks by Botnets:
Characterization and Analysis*

(to be presented at DSN'2015)

***************************************


Songqing


Abstract
****************************************
Internet DDoS attacks are prevalent but hard to defend against, partially due 
to the volatility of the attacking methods and patterns used by attackers. 
Understanding the latest of DDoS attacks can provide new insights for effective 
defense. But most of existing understandings are based on indirect traffic 
measures (e.g., backscatters) or traffic seen locally (e.g., in an ISP or from 
a botnet). In this study, we present an in-depth study based on 50,704 
different Internet DDoS attacks
directly observed in a seven-month period. These attacks were
launched by 674 botnets from 23 different botnet families with
a total of 9026 victim IPs belonging to 1074 organizations in
186 countries. Our analysis reveals several interesting findings
about today's Internet DDoS attacks. Some highlights include:
(1) the geolocation analysis shows that the geospatial distribution
of the attacking sources follows certain patterns, which enables
very accurate source prediction of future attacks for most active
botnet families; (2) from the target perspective, multiple attacks
to the same target also exhibit strong patterns on inter-attack
time interval, allowing accurate start time prediction of next
anticipated attacks from certain botnet families; (3) there is a
trend for different botnets in a family and from different families
to collaborate on attacking the same target, simultaneously or
in turn. These findings add to the existing literature on the
understanding of today's Internet DDoS attacks, and offer new
insights for designing new defense schemes at different levels.
****************************************

Speaker Bio
****************************************
An Wang is a 3rd year Ph.D. student of Computer Science Department at George 
Mason University. Her research interests include software defined networking 
and network/system security.
****************************************

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