Kaspersky Lab researchers have examined publicly available hardware and software tools for covert password interception and discovered that a hacking tool can be created for as little as $20.
In an experiment professionals used a DIY Raspberry Pi based USB-device, configured in a specific way, and carrying no malicious software. Armed with this device, they were able to covertly collect user authentication data from a corporate network at a rate of 50 password hashes per hour.
The research started with a real story: in another investigation that Kaspersky Lab experts participated in, an insider (the employee of a cleaning company) used a USB-stick to infect a workstation inside a targeted organisation with malware. Upon hearing the story, Kaspersky Lab security enthusiasts became curious about what else could be used by insiders to compromise a targeted network? And, would it be possible to compromise a network without any malware at all?
They took a Raspberry-Pi microcomputer, configured it as an Ethernet adapter, made some additional configuration changes in the OS running on the microcomputer, and installed a few publicly available tools for packet sniffing, data collection and processing. Finally, the researchers set up a server to collect intercepted data. After that, the device was connected to the targeted machine and started to automatically feed the server with stolen credential data.
The reason why this happened was that the OS on the attacked computer identified the connected Raspberry-Pi device as a wired LAN adapter, and automatically assigned it a higher priority than other available network connections and – more importantly – gave it access to data exchange in the network. The experimental network was a simulation of a segment of a real corporate network. As a result, researchers were able to collect authentication data sent by the attacked PC and its applications, as they tried to authenticate domain and remote servers. In addition, researchers were also able to collect this data from other computers in the network segment.
Moreover, as the specifics of the attack allowed for intercepted data to be sent through the network in real time, the longer the device was connected to the PC, the more data it was able to collect and transfer to a remote server. After just half an hour of the experiment researchers were able to collect nearly 30 password hashes, transferred through the attacked network, so it is easy to imagine how much data could be collected in just one day. In the worst-case scenario, the domain administrator’s authentication data could also be intercepted should they log into their account while the device is plugged-in into one of the PCs inside the domain.
The potential attack surface for this method of data interception is big: the experiment was successfully reproduced on both locked and unlocked computers running on Windows and Mac OS. However, researchers were not able to reproduce the attack on Linux based devices.
“There are two major things that we are worried about as a result of this experiment: firstly – the fact that we didn’t really have to develop the software – we used tools freely available on the Internet. Secondly – we are worried about how easy it was to prepare the proof of concept for our hacking device. This means that potentially anyone, who is familiar with the Internet and has basic programming skills, could reproduce this experiment. And it is easy to predict what could happen if this was done with malicious intent. The latter is the main reason why we decided to draw public attention to this problem. Users and corporate administrators should be prepared for this type of attack”, said Sergey Lurye, a security enthusiast and co-author of the research at Kaspersky Lab.
Although the attack allows for the interception of password hashes (a cipher-alphabetic interpretation of a plaintext password after it has been processed by a specific obfuscation algorithm), the hashes could be deciphered into passwords, since the algorithms are known or used in pass-the-hash attacks.
In order to protect your computer or network from attacks with help of similar DIY devices, Kaspersky Lab security experts recommend the following advice:
For regular users:
- On returning to your computer, check if there are any extra USB devices sticking out of your ports.
- Avoid accepting flash drives from untrusted sources. This drive could in fact be a password interceptor.
- Make a habit of ending sessions on sites that require authentication. Usually, this means clicking on a “log out” button.
- Change passwords regularly – both on your PC and the websites you use frequently. Remember that not all of your favourite websites will use mechanisms to protect against cookie data substitution. You can use specialised password management software for the easy management of strong and secure passwords, such as the free Kaspersky Password Manager.
- Enable two-factor authentication, for example, by requesting login confirmation or use of a hardware token.
- Install and regularly update a security solution from a proven and trusted vendor.
For system administrators
- If the network topology allows it, we suggest using solely Kerberos protocol for authenticating domain users.
- Restrict privileged domain users from logging into the legacy systems, especially domain administrators.
- Domain user passwords should be changed regularly. If, for whatever reason, the organisation’s policy does not involve regular password changes, be sure to change this policy.
- All of the computers within a corporate network have to be protected with security solutions and regular updates should be ensured.
- In order to prevent the connection of unauthorised USB devices, a Device Control feature, such as that available in the Kaspersky Endpoint Security for Business suite, can be useful.
- If you own the web resource, we recommend activating the HSTS (HTTP strict transport security) which prevents switching from HTTPS to HTTP protocol and spoofing the credentials from a stolen cookie.
- If possible, disable the listening mode and activate the Client (AP) isolation setting in Wi-Fi routers and switches, disabling them from listening to other workstation traffic.
- Activate the DHCP Snooping setting to protect corporate network users from capturing their DHCP requests by fake DHCP servers.
Besides intercepting the authentication data from a corporate network the experimental device can be used for collecting cookies from browsers on the attacked machines.
Veeam passes $1bn, prepares for cloud’s ‘Act II’
Leader in cloud-data management reveals how it will harness the next growth phase of the data revolution, writes ARTHUR GOLDSTUCK
Veeam Software, the quiet leader in backup solutions for cloud data management,has announced that it has passed $1-billion in revenues, and is preparing for the next phase of sustained growth in the sector.
Now, it is unveiling what it calls Act II, following five years of rapid growth through modernisation of the data centre. At the VeeamON 2019conferencein Miami this week, company co-founder Ratmir Timashev declared that the opportunities in this new era, focused on managing data for the hybrid cloud, would drive the next phase of growth.
“Veeam created the VMware backup market and has dominated it as the leader for the last decade,” said Timashev, who is also executive vice president for sales and marketing at the organisation. “This was Veeam’s Act I and I am delighted that we have surpassed the $1 billion mark; in 2013 I predicted we’d achieve this in less than six years.
“However, the market is now changing. Backup is still critical, but customers are now building hybrid clouds with AWS, Azure, IBM and Google, and they need more than just backup. To succeed in this changing environment, Veeam has had to adapt. Veeam, with its 60,000-plus channel and service provider partners and the broadest ecosystem of technology partners, including Cisco, HPE, NetApp, Nutanix and Pure Storage, is best positioned to dominate the new cloud data management in our Act II.”
In South Africa, Veeam expects similar growth. Speaking at the Cisco Connect conference in Sun City this week, country manager Kate Mollett told Gadget’s BRYAN TURNER that the company was doing exceptionally well in this market.
“In financial year 2018, we saw double-digit growth, which was really very encouraging if you consider the state of the economy, and not so much customer sentiment, but customers have been more cautious with how they spend their money. We’ve seen a fluctuation in the currency, so we see customers pausing with big decisions and hoping for a recovery in the Rand-Dollar. But despite all of the negatives, we have double digit growth which is really good. We continue to grow our team and hire.
“From a Veeam perspective, last year we were responsible for Veeam Africa South, which consisted of South Africa, SADC countries, and the Indian Ocean Islands. We’ve now been given the responsibility for the whole of Africa. This is really fantastic because we are now able to drive a single strategy for Africa from South Africa.”
Veeam has been the leading provider of backup, recovery and replication solutions for more than a decade, and is growing rapidly at a time when other players in the backup market are struggling to innovate on demand.
“Backup is not sexy and they made a pretty successful company out of something that others seem to be screwing up,” said Roy Illsley, Distinguished Analyst at Ovum, speaking in Miami after the VeeamOn conference. “Others have not invested much in new products and they don’t solve key challenges that most organisations want solved. Theyre resting on their laurels and are stuck in the physical world of backup instead of embracing the cloud.”
Illsley readily buys into the Veeam tagline. “It just works”.
“They are very good at marketing but are also a good engineering comany that does produce the goods. Their big strength, that it just works, is a reliable feature they have built into their product portfolio.”
Veeam said in statement from the event that, while it had initially focused on server virtualisation for VMware environments, in recent years it had expanded this core offering. It was now delivering integration with multiple hypervisors, physical servers and endpoints, along with public and software-as-a-service workloads, while partnering with leading cloud, storage, server, hyperconverged (HCI) and application vendors.
This week, it announced a new “with Veeam”program, which brings in enterprise storage and hyperconverged (HCI) vendors to provide customers with comprehensive secondary storage solutions that combine Veeam software with industry-leading infrastructure systems. Companies like ExaGrid and Nutanix have already announced partnerships.
Timashev said: “From day one, we have focused on partnerships to deliver customer value. Working with our storage and cloud partners, we are delivering choice, flexibility and value to customers of all sizes.”
‘Energy scavenging’ funded
As the drive towards a 5G future gathers momentum, the University of Surrey’s research into technology that could power countless internet enabled devices – including those needed for autonomous cars – has won over £1M from the Engineering and Physical Sciences Research Council (EPSRC) and industry partners.
Surrey’s Advanced Technology Institute (ATI) has been working on triboelectric nanogenerators (TENG), an energy harvesting technology capable of ‘scavenging’ energy from movements such as human motion, machine vibration, wind and vehicle movements to power small electronic components.
TENG energy harvesting is based on a combination of electrostatic charging and electrostatic induction, providing high output, peak efficiency and low-cost solutions for small scale electronic devices. It’s thought such devices will be vital for the smart sensors needed to enable driverless cars to work safely, wearable electronics, health sensors in ‘smart hospitals’ and robotics in ‘smart factories.’
The ATI will be partnered on this development project with the Georgia Institute of Technology, QinetiQ, MAS Holdings, National Physical Laboratory, Soochow University and Jaguar Land Rover.
Professor Ravi Silva, Director of the ATI and the principal investigator of the TENG project, said: “TENG technology is ideal to power the next generation of electronic devices due to its small footprint and capacity to integrate into systems we use every day. Here at the ATI, we are constantly looking to develop such advanced technologies leading towards our quest to realise worldwide “free energy”.
“TENGs are an ideal candidate to power the autonomous electronic systems for Internet of Things applications and wearable electronic devices. We believe this research grant will allow us to further the design of optimized energy harvesters.”