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Security Leftovers

Submitted by Roy Schestowitz on Thursday 17th of March 2022 11:03:38 PM Filed under
Security

  • Treck TCP/IP Stack (Update H)
  • New Linux backdoor that propagates via Log4j vulnerability easy to exploit in the cloud

    In a blog post, 360Netlab researchers say that the network traffic generated by this sample triggered a DNS Tunnel alert in their system. The researchers investigated further and found a new botnet family which they named B1txor20 based on it using the file name “b1t,” the XOR algorithm, and the RC4 algorithm key length of 20 bytes.

  • The 12 Safest Free Software Download Sites for Linux [Ed: Terrible advice. GitHub is run by NSA/Microsoft (malware) and Softpedia is an anti-Linux site; the safer route is, use the repos of the distro]

    Linux is an open-source operating system with a broader contributor community than other OSes. However, downloading software for your Linux system can sometimes be risky due to security reasons.

    The internet is flooded with spyware, especially on websites offering free apps, where some contributors try to exploit users through malicious files. That is why it is always recommended to use authentic websites to get an app.

  • Strengthening Cybersecurity of SATCOM Network Providers and Customers | CISA

    CISA and the Federal Bureau of Investigation (FBI) are aware of possible threats to U.S. and international satellite communications (SATCOM) networks. Successful intrusions into SATCOM networks could create additional risk for SATCOM network customer environments.

    In response, CISA and FBI have published joint Cybersecurity Advisory (CSA) Strengthening Cybersecurity of SATCOM Network Providers and Customers, which provides mitigations and resources to strengthen SATCOM provider and customer cybersecurity.

»

They try hard to bring "log4j" into headlines

Submitted by Roy Schestowitz on Friday 18th of March 2022 08:14:27 PM.
  • Linux botnet abuses log4j to attack Arm, x86-based devices | TechRadar

    We’re months into the disclosure of the log4j vulnerability and new attacks are still popping up. Cybersecurity researchers from Qihoo 360, a Chinese cybersecurity company, have just discovered a new Linux botnet, taking advantage of the flaw to distribute rootkits and steal sensitive data.

    They named the botnet B1txor20, and claim it uses the log4j vulnerability to target Linux Arm and 64-bit x86 systems.

    "In addition to traditional backdoor functions, B1txor20 also has functions such as opening a Socket5 proxy and remotely downloading and installing a rootkit," the researchers said.

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