Research Saturday

By: N2K Networks
  • Summary

  • Every Saturday, we sit down with cybersecurity researchers to talk shop about the latest threats, vulnerabilities, and technical discoveries.
    © 2024 N2K Networks, Inc. 706761
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Episodes
  • Credential harvesters in the cloud.
    Nov 16 2024
    This week we are joined by, Blake Darché, Head of Cloudforce One at Cloudflare, to discuss their work on "Unraveling SloppyLemming’s Operations Across South Asia." Cloudforce One's investigation into the advanced threat actor "SloppyLemming" reveals an extensive espionage campaign targeting South and East Asia, with a focus on Pakistan's government, defense, telecommunications, and energy sectors. Leveraging multiple cloud service providers, SloppyLemming employs tactics like credential harvesting, malware delivery, and command-and-control (C2) operations, often relying on open-source adversary emulation tools like Cobalt Strike. Despite its activities, the actor's poor operational security (OPSEC) has allowed investigators to gain valuable insights into its infrastructure and tooling. The research can be found here: Unraveling SloppyLemming’s operations across South Asia Learn more about your ad choices. Visit megaphone.fm/adchoices
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    19 mins
  • A firewall wake up call.
    Nov 9 2024
    Enjoy this special encore episode, where we are joined by Jon Williams from Bishop Fox, as he is sharing their research on "It’s 2024 and Over 178,000 SonicWall Firewalls are Publicly Exploitable." SonicWall published advisories for CVE-2022-22274 and CVE-2023-0656 a year apart after finding that NGFW series 6 and 7 devices are affected by two unauthenticated denial-of-service vulnerabilities. The research states "Our research found that the two issues are fundamentally the same but exploitable at different HTTP URI paths due to reuse of a vulnerable code pattern." They also found that when they scanned SonicWall firewalls with management interfaces exposed to the internet, they found that 76% are vulnerable to one or both issues. The research can be found here: It’s 2024 and Over 178,000 SonicWall Firewalls are Publicly Exploitable Learn more about your ad choices. Visit megaphone.fm/adchoices
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    23 mins
  • Velvet Ant's silent invasion.
    Nov 2 2024
    This week, we are joined by, Amnon Kushnir from Sygnia, who is sharing their work on "China-Nexus Threat Group ‘Velvet Ant’ Leverages a Zero-Day to Deploy Malware on Cisco Nexus Switches." In early 2024, Sygnia observed the ‘Velvet Ant’ threat group exploiting a zero-day vulnerability (CVE-2024-20399) to infiltrate Cisco Switch appliances and operate undetected within enterprise networks. This attack enables threat actors to escape Cisco’s command interface and install malware directly on the device’s OS, bypassing standard security tools. The incident underscores the risks posed by third-party appliances and the importance of enhanced monitoring and threat detection to counter advanced persistent threats. The research can be found here: China-Nexus Threat Group ‘Velvet Ant’ Leverages a Zero-Day to Deploy Malware on Cisco Nexus Switches Learn more about your ad choices. Visit megaphone.fm/adchoices
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    22 mins

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