Ransomware Update - EDB · Cisco Email Security, Umbrella, and AMP for Endpoint PHISHING SPAM Web...
Transcript of Ransomware Update - EDB · Cisco Email Security, Umbrella, and AMP for Endpoint PHISHING SPAM Web...
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Cyber Security Professionals Awards – Gold Winner
Smart City Consortium Security SIG Chairman
Chief Technology Officer
Cisco Hong Kong, Macau, Taiwan
Nov 2017
Ransomware UpdateGarrick Ng
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The Evolution of Ransomware VariantsThe confluence of easy and effective encryption, the popularity of exploit kits and phishing, and a willingness for victims to pay have caused an explosion of ransomware variants.
PC Cyborg
2001
GPCoder
2005 2012 2013 2014
Fake Antivirus
2006
First commercial
Android phone
2007
QiaoZhaz
20081989 2015 2016
CRYZIP
Redplus
Bitcoin network launched
RevetonRansomlock
Dirty DecryptCryptorbitCryptographic LockerUrausy
Cryptolocker
CryptoDefenseKolerKovterSimplelockCokriCBT-LockerTorrentLockerVirlockCoinVaultSvpeng
TeslaCrypt
VirlockLockdroidReveton
ToxCryptvaultDMALockChimeraHidden TearLockscreenTeslacrypt 2.0
Cryptowall
SamSamWannaCry
Nyetya
Bad Rabbit
Locky
CerberRadamantHydracryptRokkuJigsawPowerware
73V3NKerangerPetyaTeslacrypt 3.0Teslacrypt 4.0Teslacrypt 4.1
Worm typeransomware
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Ransomware in 2016: $1 billionLocky, Cerber, CryptXXX, Cryptowall, …
Source: Cisco MCR and Goggle research report
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RaaS
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RaaS: Karmen
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L ive Chat with customer ser v ices
Padcrypt
CTB-Locker
Jigsaw
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June 2017
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Swansea Police, Massachusetts $750
Dickson County Police, Tennessee $572
Tewksbury Police, Massachusetts $500
Midlothian Police, Chicago $500
Melrose Police, Massachusetts $450
Feb 2016
Melrose Police Dept, MA. $500
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We have FW, and we have Anti-Virus
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© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public
COMPROMISED
SITES AND
MALVERTISING
PHISHING
SPAM
Web
link
Web
redirect
C2
File
drop
Email attachment
EXPLOIT
KIT
DOMAINSC2
RANSOMWARE
PAYLOAD
Malicious
Infrastructure
Encryption Key
Infrastructure
Angler
Nuclear
Neutrino
How Ransomware Works
User Clicks a Link or Malvertising Ad
Email w/ Malicious Attachment
Initial Exploit Using Angler or
other malware kits
Ransomware payload
downloaded and installed
Command & Control callback
Key retrieval and payment information
CTHSEC-1000 14
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© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public
COMPROMISED
SITES AND
MALVERTISING
PHISHING
SPAM
Web
link
Web
redirect
C2
File
drop
Email attachment
EXPLOIT
KIT
DOMAINSC2
RANSOMWARE
PAYLOAD
Malicious
Infrastructure
Encryption Key
Infrastructure
Most Ransomware Relies on DNS and C2 Callbacks
Angler
Nuclear
Neutrino
CTHSEC-1000 15
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NAME DNS IP NO C&C TOR PAYMENT
Locky DNS
SamSam DNS (TOR)
TeslaCrypt DNS
CryptoWall DNS
TorrentLocker DNS
PadCrypt DNS (TOR)
CTB-Locker DNS
FAKBEN DNS (TOR)
PayCrypt DNS
KeyRanger DNS
Encryption C&C Payment MSG
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Predictive
100Brequests per day
12Kenterprise customers
85Mdaily active
users
160+countriesworldwide
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Basic defense: Prevent, Detect and Contain Ransomware with
Cisco Email Security, Umbrella, and AMP for Endpoint
PHISHING
SPAM
Web
link
Email attachment
Blocked by Cisco
Cloud Email Security
with AMP Threat Grid
COMPROMISED
SITES AND
MALVERTISING
Web
redirect
EXPLOIT
KIT
DOMAINS
Angler
Nuclear
Neutrino
Blocked by
Cisco Umbrella
(Cloud DNS Security)
C2Command &
Control Communication
Malicious
Infrastructure
File
drop
Blocked by Cisco
AMP for Endpoints
(Host Anti-Malware)
C2 Asymmetric
Key Exchange
RANSOMWARE
PAYLOAD
Encryption Key
Infrastructure
Detection with Threat Grid
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Continuous Analysis and Retrospective SecurityOnly AMP for Endpoints Continuously Monitors, Records, and Analyzes All File Activity, Regardless of Disposition
Recording
Identify a
point of origin
progression and how it spread
See what it is doing
See where it's been
Surgically targetand remediate
Monitor +
Detect
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What customers are saying about AMP for Endpoints
Visit https://www.techvalidate.com/collections/amp-for-endpoints-survey-results for more
quotations and metrics
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Ransomware 2.0
Targeted Ransomware (APT)
Crytoworm
Source: Cisco MCR and Goggle research report
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Hollywood Presbyterian Medical Center
Methodist Hospital in Henderson, KentuckyChino Valley Medical Center in Chino, Ontario, CaliforniaDesert Valley Hospital in Victorville, Ontario, CaliforniaOttawa Hospital, CanadaMedStar managed hospitals in Baltimore, Washington, MarylandKing’s Daughter’s Health, IndianaAlvardo Hospital Medical Center, San DiegoChino Valley Medical Center, CaliforniaDesert Valley Hospital, California
LA Hollywood Presbyterian Medical Center, $17000
May 2016
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Email, financial aid, voice mail, phone system. $28,000 ransom
Dec 2016
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San Francisco MUNI Railway, 900 computer encrypted, demand for $73,000
Nov 2016
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Nov 2016
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Large amount ransomware
June 2017
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153 Linux servers, 3400 websites encrypted. $1 million US paid
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WannaCry
12/5/2017
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300,000 victims in 150 countries
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NotPetya / Petrwrap / Nyetya
27/6/2017
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Reckitt Benckiser - $117 million Maersk - $200-$300 million
Fedex and TNT: $300 million Merck: $310 million
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Why so powerful?
WannaCry = Ransomware + Exploit + Worm
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WannaCry
NSA SMB
Lateral MovementSMB
In Sandbox? (Anti-Sandbox technique)Check domain (Kill Switch)
Windows SMB ExploitMS17-010
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WannaCry Defense
NSA SMB
Lateral MovementSMB
In Sandbox? (Anti-Sandbox technique)
NGFW/IPS/AMPDNS Security
NGFW/IPS/AMP
Windows SMB ExploitMS17-010
Network Visibility, Behavior Analysis
Email Security Endpoint security
Identity, Posture &
SD-Segmentation
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Best Practices – Things I Can Do!
1. Do you have good disaster recovery (People/Process/Tools)? Train to implement it on a regular basis.
2. Do you have good offline back ups? Test them regularly.
3. Patch your systems, update your AV ASAP
4. Additional layer of defense such as DNS (Umbrella) and Anti-malware solution
5. End of life hardware / software?
6. Educate users on emails with links and attachments
CTHSEC-1000 41
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www.cisco.com/go/ransomware
Ransomware Defense for Dummies
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© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public
Tested against >20 REAL Ransomware Attack families to validate the solution
• Cisco Umbrella
• Cloud Email Security w/AMP
• AMP for Endpoints
• AMP ThreatGrid
Cloud and software solution that enables quick deployment and protection
Ransomware Defense Prevention Validation
CTHSEC-1000 43
www.cisco.com/go/safe
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44
https://mkto.cisco.com/Security-Scholarship.html
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Cisco Networking Academy, a Cisco Corporate Social Responsibility program, is an IT skills and career building program available to learning institutions and individuals worldwide.
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48© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
To get this slide and more about NetAcadProgram, pls leave your contact by scanning this QR code:
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WannaCry
Garrick Ng - CTO: [email protected]
Shania Ting - Security Sales Manager: [email protected]
Tommy Mak - Security Consultant : [email protected]
Eric Tsoi - Security Consultant: [email protected]
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Garrick Ng - CTO: [email protected]
Shania Ting - Security Sales Manager: [email protected]
Tommy Mak - Security Consultant : [email protected]
Eric Tsoi – Security Consultant: [email protected]