Ripple Effect
Algorithmic Threat
Intelligence & Containment
Ping @OpenDNS.com
Ping
Came from China
Was in U. of Arizona graduate school
Data mining, Machine learning
InfoSec
Agenda
DNS transactions
The Ripple Effect
Case study - Cryptolocker
Demo
More IP, AS intel, the present and the past?

What is this traffic spikes all about?
What are all these weird stuff that one was
requesting?
The Ripple Effect
The process of
searching the
newer and the
unknown,
… starting from the
seeding intelligence
Cryptolocker DGA
1. Infection
2. retrieve encryption key from CnC
3. encrypt data files
4. collect money!
IP CnC fails quickly
! DGA kicks in !
I don’t know the DGA!!!
https://sgraph.umbrella.com/domainview/name/xvaxsxbptmerjb.com/view
Demo
http://labs.umbrella.com/wpcontent/uploads/2013/09/cyl.gif
load https://sgraph.umbrella.
com/thibault/Web/?name=xvaxsxbptmerjb.com
The Algorithm
November 7th
144.76.192.130
95.59.26.43
Beyond Cryptolocker
https://sgraph.umbrella.com/domainview/name/o2i2394073g2oh2b34.com/view
QUESTIONS?

Ripple Effect (preso @s4)