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Latest Cyber Security News
U.S. Army Researchers Identify New Way to Improve Cybersecurity
on April 18, 2019 at 8:30 pm
Researchers at the U.S. Army Combat Capabilities Development Command’s Army Research Laboratory, the Army’s corporate research laboratory also known as ARL, and Towson University may have identified a new way to improve network security. Many cybersecurity systems use distributed network intrusion detection that allows a small number of highly trained analysts to monitor several networks at the same time, reducing cost through economies of scale and more efficiently leveraging limited cybersecurity expertise; however, this approach requires data be transmitted from network intrusion detection sensors on the defended network to central analysis severs. Working on the theory that malicious network activity would manifest its maliciousness early, the researchers developed a tool that would stop transmitting traffic after a given number of messages had be transmitted. “This strategy should be effective in reducing the amount of network traffic sent from the sensor to central analyst system,” said Sidney Smith, an ARL researcher and the study’s lead author. […]
RevengeRAT Distributed via Bit.ly, BlogSpot, and Pastebin C2 Infrastructure
on April 18, 2019 at 7:30 pm
Palo Alto Networks' Unit 42 discovered that the threat actors behind the campaign dubbed "Aggah" employed the C2 infrastructure built using only legitimate services to drop RevengeRAT (also known as Revetrat) payloads on organizations from "Technology, Retail, Manufacturing, State/Local Government, Hospitality, Medical, Technology, and other Professional business. "Our analysis of the delivery document revealed it was built to load a malicious macro-enabled document from a remote server via Template Injection," found Unit 42's researchers. Also, "These macros use BlogSpot posts to obtain a script that uses multiple Pastebin pastes to download additional scripts, which ultimately result in the final payload being RevengeRAT configured with a duckdns[. Lure image used in decoy document The campaign was first detected by Unit 42 on March 27 after the decoy file camouflaged to look like an official document from a financial institution with a "Your account is locked" email subject was sent to entities from a Middle Eastern country. […]
Attackers Compromise Admin Account to Infect Manufacturing Company With BitPaymer Ransomware
on April 18, 2019 at 6:45 pm
Threat actors compromised an account with administrator privileges to infect a manufacturing company with BitPaymer ransomware. A Trend Micro investigation found that digital attackers sent some commands via PsExec — a command-line tool for executing processes on remote computers — to copy and execute a variant of BitPaymer between 9:40 p.m. and 11:03 p.m. on Feb. 18, 2019. These attack attempts occurred remotely and filelessly, though Trend Micro did detect binaries associated with Dridex, a banking Trojan that ESET linked to BitPaymer’s creators last year. Not a New BitPaymer Variant Ransom.Win32.BITPAYMER.TGACAJ, the BitPaymer variant involved in this attack, was unique in that it used the victim organization’s name in its ransom note and as an extension name for encrypted files. How to Defend Against a Ransomware Infection Security professionals can help defend against ransomware by using an endpoint detection and response (EDR) tool to monitor IT devices for suspicious activity. […]
Scammers are selling 3.2 million payment records stolen from Indian cardholders
on April 18, 2019 at 5:00 pm
India now ranks third internationally when it comes to the number of stolen records for sale on the dark web, following the U.S. and U.K. “Criminals continuously search for payment cards from specific banks that provide the highest return on investment, and largely spend money only when confident that they stand to make a profit,” researchers said in a report. Many payment breaches go unreported in India, meaning banks are slow to stop cards from being used for fraudulent purposes, said Stas Alforov, Gemini Advisory’s director of research and development. The median price of the stolen card data in India jumped from roughly $7 in 2017 to $17 last year, Gemini Advisory found. “The rising cost of Indian compromised payment cards and the demand for such cards suggests that criminals have identified multiple reliable ways of monetizing such data,” Alforov said. […]
Report Finds More than Half of Ransomware Victims Would Pay the Ransom
on April 18, 2019 at 4:30 pm
Telstra’s 2019 Security Report has found that majority of the respondents who have been victims of ransomware attacks have paid the attackers to unlock files. Of the 320 Australian respondents, 51 per cent said that they had paid ransomware attackers to regain access to encrypted files. Further, the Report found that 77 per cent of Australian businesses that had paid a ransom were able to retrieve their data after making the payment. Whilst this was the lowest rate of data retrieval post-payment out of the 13 countries in the survey, 79 per cent of the Australian respondents still said that they would pay the ransom again if they had no back-up files available. The Report also found that the number of ransomware attacks on Australian businesses was relatively higher than other developed countries such as the United Kingdom, Germany and France. Thirty two per cent of the Australian respondents indicated that their business had been interrupted ‘on a weekly or monthly basis’ from ransomware attacks. […]