Research Saturday

De: N2K Networks
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  • Resumen

  • 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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Episodios
  • Bybit’s $1.4B breach.

    Bybit’s $1.4B breach.
    Apr 5 2025
    Zach Edwards from Silent Push is discussing their work on "New Lazarus Group Infrastructure, Acquires Sensitive Intel Related to $1.4B ByBit Hack and Past Attacks." Silent Push analysts uncovered significant infrastructure used by the Lazarus APT Group, linking them to the $1.4 billion Bybit crypto heist through the domain bybit-assessment[.]com registered just hours before the attack. The investigation revealed a pattern of test entries, VPN usage, and fake job interview scams targeting crypto users, with malware deployment tied to North Korean threat actor groups like TraderTraitor and Contagious Interview. The team also identified numerous companies being impersonated in these scams, including major crypto platforms like Coinbase, Binance, and Kraken, to alert potential victims. The research can be found here: Silent Push Pivots into New Lazarus Group Infrastructure, Acquires Sensitive Intel Related to $1.4B ByBit Hack and Past Attacks Learn more about your ad choices. Visit megaphone.fm/adchoices
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    36 m
  • Breaking barriers, one byte at a time.

    Breaking barriers, one byte at a time.
    Mar 29 2025
    This week, we are joined by Jon Williams, Vulnerability Researcher from Bishop Fox, discussing "Tearing Down (Sonic)Walls: Decrypting SonicOSX Firmware." Bishop Fox researchers reverse-engineered the encryption protecting SonicWall SonicOSX firmware, enabling them to access its underlying file system for security research. They presented their process and findings at DistrictCon Year 0 and released a tool called Sonicrack to extract keys from VMware virtual machine bundles, facilitating the decryption of VMware NSv firmware images. This research builds upon previous work, including techniques to decrypt static NSv images and reverse-engineer other encryption formats used by SonicWall. The research can be found here: Tearing Down (Sonic)Walls: Decrypting SonicOSX Firmware Learn more about your ad choices. Visit megaphone.fm/adchoices
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    22 m
  • Excel-lerating cyberattacks.

    Excel-lerating cyberattacks.
    Mar 22 2025
    This week, we are joined by Tom Hegel, Principal Threat Researcher from SentinelLabs research team, to discuss their work on "Ghostwriter | New Campaign Targets Ukrainian Government and Belarusian Opposition." The latest Ghostwriter campaign, linked to Belarusian government espionage, is actively targeting Ukrainian military and government entities as well as Belarusian opposition activists using weaponized Excel documents. SentinelLabs identified new malware variants and tactics, including obfuscated VBA macros that deploy malware via DLL files, with payload delivery seemingly controlled based on a target’s location and system profile. The campaign, which began preparation in mid-2024 and became active by late 2024, appears to be an evolution of previous Ghostwriter operations, combining disinformation with cyberattacks to further political and military objectives. The research can be found here: Ghostwriter | New Campaign Targets Ukrainian Government and Belarusian Opposition Learn more about your ad choices. Visit megaphone.fm/adchoices
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    27 m

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