malware

Cybersecurity for Industrial Control Systems: Part 1

Posted on January 15, 2022January 15, 2022 by Admin

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…

This Week in Security News – January 14, 2022

Posted on January 14, 2022January 15, 2022 by Admin

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…

Nation-state cyberattacks threaten the private sector

Posted on January 4, 2022January 4, 2022 by Admin

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…

Staging a Quack: Reverse Analyzing a Fileless QAKBOT Stager

Posted on December 17, 2021December 17, 2021 by Admin

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)…

A Look Into Purple Fox’s Server Infrastructure

Posted on December 13, 2021December 16, 2021 by Admin

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…

Preparing for the 2022 fraud threat landscape

Posted on December 8, 2021December 8, 2021 by Admin

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…

Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify

Posted on December 3, 2021December 19, 2021 by Admin

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…

Campaign Abusing Legitimate Remote Administrator Tools Uses Fake Cryptocurrency Websites

Posted on November 29, 2021December 20, 2021 by Admin

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…

BazarLoader Adds Compromised Installers, ISO to Arrival and Delivery Vectors

Posted on November 23, 2021December 20, 2021 by Admin

Conclusion The number of arrival mechanism variations used in BazarLoader campaigns continue to increase as threat actors diversify their attack patterns to evade detection. However, both techniques are noteworthy and still work despite their lack of novelty due to singular detection technologies’ limitations. For instance, while the use of compromised installers has been observed with other malware, the large file size can still challenge detection solutions — such as sandboxes — which may implement file…

Groups Target Alibaba ECS Instances for Cryptojacking

Posted on November 15, 2021December 25, 2021 by Admin

Groups Target Alibaba ECS Instances for Cryptojacking Cloud We looked at how some malicious groups disable features in Alibaba Cloud ECS instances for illicit mining of Monero. By: David Fiser, Alfredo Oliveira November 15, 2021 Read time: ( words) It’s been known that threat actors are actively exploiting misconfigured Linux-powered servers, regardless of whether they run on-premises or in the cloud. The compromised devices are mostly used for cryptojacking purposes with the dominance of mining…

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Cybersecurity for Industrial Control Systems: Part 1

Nation-state cyberattacks threaten the private sector

Staging a Quack: Reverse Analyzing a Fileless QAKBOT Stager

A Look Into Purple Fox’s Server Infrastructure

Preparing for the 2022 fraud threat landscape

Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify

Campaign Abusing Legitimate Remote Administrator Tools Uses Fake Cryptocurrency Websites

BazarLoader Adds Compromised Installers, ISO to Arrival and Delivery Vectors

VMWARE

Helping Public Sector Organisations Define Cloud Strategy

How to change the VLAN ID of the Service Console in ESX from the command line/console

Cisco UCS and Vmware Interfaces (Vnics) HA Design Considerations

Troubleshooting network and TCP/UDP port connectivity issues on ESX/ESXi(2020669)

vSphere Client Parameters

Configuration Templates

CUE Licenses

Trouble shooting Unity Express with Call Manager Integeration & Operational Issues

CME Configuration Example: SIP Trunks to Viatalk and VoIP.ms

SIP Phone registration – CME Configuration

CUE Voicemail + VPIM networking (CUE to unity)