malware

Defending Users’ NAS Devices From Evolving Threats

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Defending Users’ NAS Devices From Evolving Threats

Defending Users’ NAS Devices From Evolving Threats In our latest research, we analyze the threats targeting well-known brands of network-attached storage (NAS) devices. By: Stephen Hilt, Fernando Merces January 20, 2022 Read time:  ( words) Threats to the internet of things (IoT) continue to evolve as users and businesses grow increasingly reliant on these tools for constant connectivity, access to information and data, and workflow continuity. Cybercriminals have taken notice of this dependence and now…

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Earth Lusca Employs Sophisticated Infrastructure, Varied Tools and Techniques

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Earth Lusca Employs Sophisticated Infrastructure, Varied Tools and Techniques

Since mid-2021, we have been investigating a rather elusive threat actor called Earth Lusca that targets organizations globally via a campaign that uses traditional social engineering techniques such as spear phishing and watering holes. The group’s primary motivation seems to be cyberespionage: the list of its victims includes high value targets such as government and educational institutions, religious movements, pro-democracy and human rights organizations in Hong Kong, Covid-19 research organizations, and the media, among others. However,…

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Cybersecurity for Industrial Control Systems: Part 1

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Cybersecurity for Industrial Control Systems: Part 1

Cybersecurity for Industrial Control Systems: Part 1 Ransomware In this two-part series, we look into various cybersecurity threats that affected industrial control systems endpoints. We also discuss several insights and recommendations to mitigate such threats. By: Trend Micro Research January 15, 2022 Read time:  ( words) The ever-changing technological landscape has made it possible for the business process on the IT side of an enterprise to be interconnected with the physical process on the OT…

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This Week in Security News – January 14, 2022

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This Week in Security News – January 14, 2022

Read on: Defending Systems Against Attacks with Layers of Remote Control As organizations brace themselves for the year ahead, now is an opportune time to take stock of how they can strengthen their security posture and shore up their defenses. While organizations may have the power of leading-edge cybersecurity solutions on their side, malicious actors continue to work diligently to refine their methods and take advantage of vulnerabilities every chance they get. Congress To Update…

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Nation-state cyberattacks threaten the private sector

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Nation-state cyberattacks threaten the private sector

Nation-state cyberattacks threaten the private sector | Security Magazine This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more. This Website Uses CookiesBy…

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Staging a Quack: Reverse Analyzing a Fileless QAKBOT Stager

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Staging a Quack: Reverse Analyzing a Fileless QAKBOT Stager

Staging a Quack: Reverse Analyzing a Fileless QAKBOT Stager We analyzed a fileless QAKBOT stager possibly connected to the recently reported Squirrelwaffle campaign. By: Abraham Camba, Jonna Santos, Gilbert Sison, Jay Yaneza December 17, 2021 Read time:  ( words) We recently published how Squirrelwaffle emerged as a loader using two exploits in a recent spam campaign in the Middle East. Further monitoring and analysis from our incident response and extended detection and response teams (IR/XDR)…

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A Look Into Purple Fox’s Server Infrastructure

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A Look Into Purple Fox’s Server Infrastructure

Operating system execution via SQL Server Purple Fox focuses on SQL servers as its target as opposed to normal computers for the former’s cryptocurrency-mining activities. This is mainly because of the more powerful hardware configuration — for both CPU and memory — that the servers would usually have. More specifically for SQL servers, the combination of CPU, memory, and disk factors should scale with the database-related operations to avoid bottlenecks in performance. These machines normally…

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Preparing for the 2022 fraud threat landscape

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Preparing for the 2022 fraud threat landscape

Preparing for the 2022 fraud threat landscape | Security Magazine This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more. This Website Uses…

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Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify

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Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify

Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify We looked into exploitation attempts we observed in the wild and the abuse of legitimate platforms Netlify and GitHub as repositories for malware. By: Nitesh Surana December 03, 2021 Read time:  ( words) Earlier this year, a security flaw identified as CVE-2021-41773 was disclosed to Apache HTTP Server Project, a path traversal and remote code execution (RCE) flaw in Apache HTTP Server 2.4.49. If this…

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Campaign Abusing Legitimate Remote Administrator Tools Uses Fake Cryptocurrency Websites

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Campaign Abusing Legitimate Remote Administrator Tools Uses Fake Cryptocurrency Websites

Finally, we will analyze the two threads. The C&C communication thread regularly makes a GET request to <C&C domain>/<C&C path>?id=<9digit number>&stat=<environment hash>. The environment hash is computed as an MD5 hash of string created by concatenating the following five values: Value 1 = to_uppercase(crc32(HKEY_LOCAL_MACHINESOFTWAREMicrosoftCryptographyMachineGuid))Value 2 = to_uppercase(crc32(HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionProductName))Value 3 = to_uppercase(crc32(user name))Value 4 = to_uppercase(crc32(computer name))Value 5 = concatenate Value1 Value2 Value3 Value4 It might receive a response in the following format: !lexec;<url to download>restartdelproc…

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