Access RouterOS using Multi-Factor Authentication

ACCESS ROUTEROS USING
MULTI-FACTOR AUTHENTICATION
MIKROTIK USER MEETING 2018
Didiet Kusumadihardja | didiet@arch.web.id
Yogyakarta, Indonesia | 20 Oktober 2018

About Me
2
Didiet Kusumadihardja
 12 tahun pengalaman di IT
RT/RW Net, Startup (e-commerce), Manage
Service, IT Consulting, IT Auditor, Penetration
Tester & Training Service
 Penguji UKK TKJ
 Mikrotik Certified Trainer
 Mikrotik Certified Consultant
https://about.me/didiet

Services Offered
3
1. Network Assessment/Design Service
2. IT General Control Audit Service
3. Vulnerability Assessment & Penetration Testing Service
4. IT Due Diligence Service
5. Training Service
• UU ITE No 11 Tahun 2008
• POJK 38/POJK.03/2016
• SEOJK 21/SEOJK.03/2017
• PBI 16/8/PBI/2014
 PCI DSS
 ISO 27001
Planning Discovery Attack
Reporting
Additional Discovery

Background4

Data Breaches News 2016
5

6

7

MikroTik Security Fixed
8
 6.38.5 (9 Maret 2017)
www - fixed http server vulnerability
 6.41.3 (8 Maret 2018)
smb - fixed buffer overflow vulnerability, everyone using
this feature is urged to upgrade
 6.42.1 (23 April 2018)
winbox - fixed vulnerability that allowed to gain access to
an unsecured router
 6.42.7 (17 Agustus 2018)
security - fixed vulnerabilities CVE-2018-1156, CVE-
2018-1157, CVE-2018-1158, CVE-2018-1159

Exploits
9

Amount of Time to Crack Passwords
10

Processing Power vs Passwords
11

Reality
12
Dictionary
Attack
Brute Force
Attack
ExploitsPassword Dictionary
Bad Guys

Humans and Password
13

Password Tips
14

Indonesia Regulation
15

How we do it with RouterOS?16

Multi-Factor Authentication on RouterOS
17
 Something you know  Password
 Something you have  SSH Keys
 Somewhere you from  IP Address

Create SSH Public & Private Key
18
1. Generate
2. Save Private Key
3. Copy Public Key
and save to file
1
2
3
For OS X and Linux users can use
‘ssh-keygen’

RouterOS Configuration
19
1. Upload Public Key
2. Create New User
3. Import SSH Key

Login using SSH Keys
20
1
2
Connection > SSH > Auth

Only permit from specific IP address
21

Other Methods (1/3)
22
Port Knocking
https://wiki.mikrotik.com/wiki/Port_Knocking

Other Methods (2/3)
23
VPN then remote access
1. VPN (PPTP/SSTP/OpenVPN)
2. Remote Access (Winbox/SSH)
VPN
Network Address

Other Methods (3/3)
24
Out of Band Network
Management Network

Audit Trail / Log as Evidence
25

Audit Trail / Log using The Dude
26

Summary
27
Defense in Depth Layers
1. Policies, Procedure, and Awareness
2. Physical
3. Perimeter
4. Internal Network
5. Host
6. Application
7. Data

Reference
28
 ArsTechnica. 2012. 25-GPU cluster cracks every standard Windows password in <6 hours.
https://arstechnica.com/information-technology/2012/12/25-gpu-cluster-cracks-every-standard-windows-
password-in-6-hours/.
 BetterBuys. Estimating Password-Cracking Times. https://www.betterbuys.com/estimating-password-cracking-
times/.
 C# Corner. 2015. Passphrase vs Password For Security. https://www.c-
sharpcorner.com/UploadFile/66489a/passphrase-vs-password-for-the-security/.
 Information is beautiful. 2018. World’s Biggest Data Breaches.
http://www.informationisbeautiful.net/visualizations/worlds-biggest-data-breaches-hacks/.
 MikroTik. 2015. Port Knocking. https://wiki.mikrotik.com/wiki/Port_Knocking.
 MikroTik. 2016. Manual: The Dude v6/Syslog. https://wiki.mikrotik.com/wiki/Manual:The_Dude_v6/Syslog.
 NIST. 2017. Easy Ways to Build a Better P@$5w0rd. https://www.nist.gov/blogs/taking-measure/easy-ways-build-
better-p5w0rd.
 Records Management Center. 2017. Identity Theft – Is It All Digital. https://rmcmaine.com/identity-theft-report/.
 Reuters. 2017. Yahoo says all three billion accounts hacked in 2013 data theft. https://www.reuters.com/article/us-
yahoo-cyber/yahoo-says-all-three-billion-accounts-hacked-in-2013-data-theft-idUSKCN1C82O1.
 ScienceDirect. 2017. Towards port-knocking authentication methods for mobile cloud computing.
https://www.sciencedirect.com/science/article/pii/S1084804517302813 (Accessed 2018-09-04).
 The Hacker News. 2018. Hackers Infect Over 200,000 MikroTik Routers With Crypto Mining Malware.
https://thehackernews.com/2018/08/mikrotik-router-hacking.html.
 The New York Times. 2016. Yahoo Says 1 Billion User Accounts Were Hacked.
https://www.nytimes.com/2016/12/14/technology/yahoo-hack.html.

Diijinkan menggunakan sebagian atau seluruh materi pada modul ini, baik berupa ide, foto, tulisan,
konfigurasi dan diagram selama untuk kepentingan pengajaran, dan memberikan kredit kepada penulis
serta link ke www.arch.web.id
29
Didiet Kusumadihardja
Mobile: +62 813 1115 0054
e-mail: didiet@arch.web.id

Access RouterOS using Multi-Factor Authentication

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