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Hacking group Sinobi claims to have stolen 20 gigabytes of data from a Brisbane-based resources consultancy.
The Sinobi ransomware group has listed Australian business Cavalry Consulting on its darknet leak site and is threatening to publish 20 gigabytes of data it allegedly stole during a recent cyber attack.
The company was listed in a 27 October leak post, which claimed the hackers had data, including contracts and financial information. The publication date is roughly Friday, 31 October.
Sinobi has not listed its ransom demand, nor provided any evidence of the hack.
The group typically introduces itself via a ransom note, which outlines what has happened and how the victim can begin negotiations.
“As you can see you have been attacked by us! We offer you to make a deal with us. All you need to do is contact us by following the instructions below,” Sinobi’s note said.
“We are not politically motivated group, we are interested only in money, we always keep our word. You have a possibility to decrypt your files and save your reputation in case we find good solution!”
The group warns its victims against “procrastination”, and it typically expects them to make contact within seven days. The note includes instructions on how to use the Tor browser, contact details, and links to the group’s various .onion addresses, alongside one site currently live on the clear net.
First observed in July of this year, Sinobi has racked up 106 victims on its leak site. Its operations have ramped up increasingly during the month of October, with Sinobi listing 18 victims on its leak site on 18 October alone.
Sinobi was thought to be a rebranding of the Lynx group, due to similarities in the design of their leak sites. However, Lynx has since then been active, and more than one ransomware group shares a similar site design.
The group’s most recent Australian victim was sustainable energy giant EDL, which fell afoul of the hackers in August.
Cavalry Consulting is based in Brisbane and provides management and technology consulting services to the resources and mining sector.
The company did not respond to Cyber Daily’s request for comment.
David Hollingworth has been writing about technology for over 20 years, and has worked for a range of print and online titles in his career. He is enjoying getting to grips with cyber security, especially when it lets him talk about Lego.
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