Dahua ‘Duplicitous’ Says Botnet Victim

Author: Brian Karas, Published on Oct 11, 2016

The victim of the record-breaking botnet, Brian Krebs, is calling Dahua duplicitous in its statements about the Mirai botnet. He says Dahua should bear more responsibility for enabling this botnet and that they are more at fault, for making poorly secured devices, than the unsuspecting users who purchased them.

We examine the validity of Dahua's statements, and Krebs' position on IoT device security.

Krebs Background

Brian Krebs is a well-known journalist within the cybersecurity community. Ironically, he first gained an interest in cyber security after having his home PC attacked by a Chinese hacker group in 2001. 15 years later, his website, Krebs On Security was attacked by a network of Chinese cameras.

Dahua's Statements

Dahua has been attempting to deflect the blame for this botnet to their customers, issuing statements to multiple publications, with 3 key points:

The devices were using firmware dating prior to January 2015.
The devices were using the default user name and password.
The devices were exposed to the internet without the protection of an effective network firewall.

Also, Dahua has claimed:

To the best of our knowledge, the DDoS [distributed denial-of-service attacks] threats have not affected any Dahua-branded devices deployed or sold in North America.

Krebs' Analysis

Get Video Surveillance News In Your Inbox
Get Video Surveillance News In Your Inbox

Krebs calls Dahua's statements duplicitous because Dahua chide's users for not changing usernames/passwords, yet hard-codes those credentials in its products:

Dahua’s statement that devices which were enslaved as part of the DDoS botnet were likely operating under the default password is duplicitous, given that threats like Mirai spread via Telnet and because the default password can’t effectively be changed.

In addition, Krebs points to a Flashpoint statistic that shows a large number of the infected Dahua devices were in fact in North America.

Dahua's Twisted Reality

When Dahua says Dahua-branded devices were not affected they mean only those sold through Dahua's official USA entity, which has only existed since early 2015, after firmware had been updated to remove telnet capabilities. In this statement, Dahua is selectively ignoring hundreds of thousands of devices carrying the Dahua brand sold into the US through channels like Amazon or Ali-Express. That these devices were not sold through official distributors does not make their poor security excusable.

The devices with hard-coded passwords that Krebs refers to are Dahua products sold through OEM's under OEM brands. These are not "Dahua-branded", but they were sold through Dahua-authorized distributors, and they contained hard-coded passwords that these distributors may not have initially been aware of, and that users were unable to change.

Ultimate Responsibility Lies With Dahua

This botnet exists because Dahua shipped a product with horrible security by any modern standard. While owners of infected Dahua-manufactured cameras could have potentially better secured their devices, hard-coded credentials and back-door console access via telnet or SSH has been considered flawed security for over a decade. Including these weaknesses, and not disclosing them to customers, shows poor decision making on Dahua's part.

Hopefully other security manufacturers are learning from this incident and moving to eliminate these product flaws if they still exist.

Is Dahua Being Duplicitous About The Attack?

1 report cite this report:

Chinese Company Xiongmai Threatens Legal Action Against Western Accusers on Oct 24, 2016
The Chinese video surveillance manufacturer, Xiongmai, whose equipment numerous sources blame for driving massive Internet attacks over the past...
Comments (18) : PRO Members only. Login. or Join.

Related Reports

July 2018 IP Networking Course on Jun 16, 2018
The last chance to save $50 on registration is this Thursday, June 21st. Register now and save. This is the only networking course designed...
The Dumb Ones: PSA's Bozeman On Cybersecurity on Jun 15, 2018
The smart ones are the hundred people who flew to Denver and spent $500+ on a 1.5-day conference featuring Dahua as a 'cyber responsible partner',...
Debating Relevance of China Hacking US Navy Plans on Jun 11, 2018
"Chinese government hackers have compromised the computers of a Navy contractor, stealing massive amounts of highly sensitive data related to...
Remove Dahua and Hikvision Gov Installs Required By US House Bill Ban on Jun 06, 2018
The final released US House Bill HR 5515 verifies that it not only prohibits the purchasing of Dahua and Hikvision products, it requires removing...
Dahua's Terrible Cybersecurity, Buys Credibility From PSA And SIA on Jun 04, 2018
Dahua has a terrible cybersecurity track record. But American organizations, like the Security Industry Association (SIA) and the PSA Security...
Canon Responds To IP Camera Hacks on May 30, 2018
Canon cameras made international news earlier this month, with reports of them being hacked in Japan (e.g., Hackers disable scores of Canon-made...
Corruption Alleged Against Hikvision Procurement In India on May 28, 2018
Over the past month, allegations of corruption and national security risk have made the news in India over the planned purchase of 150,000...
Amazon's "Dangerous New Face Recognition Technology" Says ACLU on May 23, 2018
The ACLU has caused a stir, with a new report Amazon Teams Up With Law Enforcement to Deploy Dangerous New Face Recognition Technology,...
Cybersecurity for IP Video Surveillance Guide on May 18, 2018
Keeping surveillance networks secure can be a daunting task, but there are several methods that can greatly reduce risk, especially when used in...
Top Benefits Of Attending Trade Shows (Statistics) on May 15, 2018
150 integrators told IPVM: What are the top benefits of going to trade shows? The clear top 2 responses in order: (1) Networking (2) New...

Most Recent Industry Reports

July 2018 IP Networking Course on Jun 16, 2018
The last chance to save $50 on registration is this Thursday, June 21st. Register now and save. This is the only networking course designed...
The Dumb Ones: PSA's Bozeman On Cybersecurity on Jun 15, 2018
The smart ones are the hundred people who flew to Denver and spent $500+ on a 1.5-day conference featuring Dahua as a 'cyber responsible partner',...
Amazon Ring Launches $10 Monthly Professional Alarm Monitoring on Jun 15, 2018
Amazon's Ring has announced an alarm system with 24/7 professional alarm monitoring for $10 per month, a fraction of the $30+ per month traditional...
Axis Releases First New Access Controller In 5 Years (A1601) on Jun 15, 2018
It has been 5 years since Axis 2013 entry in the physical access control market, with the A1001 (IPVM test). Now, Axis has released its second...
Hikvision 12MP Fisheye Camera Tested (DS-2CD63C2F-IV) on Jun 14, 2018
Hikvision's DS-2CD63C2F-IV is their flagship panoramic camera, with a 12MP imager, 15m integrated IR, smart codec, and more. We tested the 63C2 in...
Four Major Outdoor Camera Install Problems on Jun 14, 2018
Over 140 integrators told us the top four camera installation mistakes that lead to unexpected problems and failures. Their comments often...
Security Sales Course Summer 2018 on Jun 14, 2018
Based on member's interest, IPVM is offering a security sales course this summer. Register Now - IPVM Security Sales Course Summer...
China Public Video Surveillance Guide: From Skynet to Sharp Eyes on Jun 14, 2018
China is expanding its video surveillance network to achieve “100%” nationwide coverage by 2020, including facial recognition capabilities and a...
IPVM For PR / Marketing People on Jun 13, 2018
This post helps PR and Marketing people understand and productively work with IPVM (as much as possible given our independent, often critical,...
Avigilon H4 Multi-Sensor Adds 32MP, H.265, Analytics on Jun 13, 2018
Avigilon has announced the H4 Multisensor, the successor to their repositionable multi imager line, adding features like H.265, integrated IR,...

The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally. Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

About | FAQ | Contact