N2K Networks
Research Saturday
Every Saturday, we sit down with cybersecurity researchers to talk shop about the latest threats, vulnerabilities, and technical discoveries.
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N2K Networks
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Podcast website
Latest episode
Jul 11, 2026
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Episodes
Hackers come hopping back. 17.02.2024 18:16
Ori David from Akamai is sharing their research "Frog4Shell — FritzFrog Botnet Adds One-Days to Its Arsenal." FritzFrog takes advantage of the fact that only internet facing applications were prioritized for Log4Shell patching and targets internal hosts, meaning that a breach of any asset in the network by FritzFrog can expose unpatched internal assets to exploitation. The research states "FritzF...
Ransomware is coming. 10.02.2024 28:48
Jon DiMaggio, Chief Security Strategist for Analyst1, is discussing his research on "Ransomware Diaries Volume 4: Ransomed and Exposed - The Story of RansomedVC." While there is evidence to support that RansomedVC runs cybercrime operations, Jon questions the claims it made regarding the authenticity of the data it stole and the methods it used to extort victims. The research states "I uncovered s...
Weathering the internet storm. 03.02.2024 23:37
Johannes Ullrich from SANS talking about the Internet Storm Center and how they do research. Internet Storm Center was created as a mix of manual reports submitted by security analysts during Y2K and automated firewall collection started by DShield. The research shares how SANS used their "agile honeypots" to "zoom in" on events to more effectively collect data targeting specific vulnerabilities....
Hooked on pirated macOS applications. 27.01.2024 21:00
Jaron Bradley from Jamf Threat Labs is sharing their work on "Jamf Threat Labs discovers new malware embedded in pirated applications." Jamf Threat Labs has detected a series of pirated macOS applications that have been modified to communicate to attacker infrastructure. The research states "These applications are being hosted on Chinese pirating websites in order to gain victims." The discovery m...
A firewall wake up call. 20.01.2024 21:01
Jon Williams from Bishop Fox 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 fund...
Dual Russian cyber gangs hit 23 companies. 13.01.2024 16:58
Ryan Westman, Senior Manager, Threat Intelligence, eSentire's Threat Response Unit (TRU), is discussing their research "Two Russian-speaking cyber gangs attack employees from 23 different companies." They are using malicious Google ads, promoting popular business software such as Zoom, Slack, and Adobe. The customers targeted are companies in the manufacturing, software, legal, retail and healthca...
Diving deep into Phobos ransomware. 06.01.2024 22:05
Guilherme Venere from Cisco Talos joins to discuss their research on "A deep dive into Phobos ransomware, recently deployed by 8Base group." Cisco Talos discovered that 8Base’s Phobos ransomware payload contains an embedded configuration, which is a significant difference between 8Base’s Phobos variant and other Phobos samples that have been observed in the wild since 2019. In this 2-part researc...
Encore: What malicious campaign is lurking under the surface? 30.12.2023 21:33
Israel Barak, CISO from Cybereason, sits down with Dave to discuss their research, "Operation CuckooBees: Cybereason Uncovers Massive Chinese Intellectual Property Theft Operation." Cybereason researchers recently found an attack lurking beneath the surface which was assessed to be the work of Chinese APT Winnti. Cybereason briefed the FBI and the DOJ on the investigation into the malicious campai...
Encore: Compromised military tech? 23.12.2023 19:32
Dick O'Brien from Symantec's threat hunter team, joins Dave to discuss their work on "Stonefly: North Korea-linked spying operation continues to hit high-value targets." Stonefly specializes in mounting highly selective targeted attacks against targets that could yield intelligence to assist strategically important sectors. Symantec found that The attackers breached an engineering firm in February...
Shedding light on fighting Ursa. 16.12.2023 20:27
Host of the CyberWire Daily podcast segment Threat Vector, David Moulton sits down with Mike "Siko" Sikorski from Palo Alto Networks Unit 42 to discuss their research on "Fighting Ursa Aka APT28: Illuminating a Covert Campaign." Unit 42 just published new threat intelligence on Fighting Ursa (aka APT28), a group associated with Russia's military intelligence, on how they are exploiting a Microsoft...
On the hunt for popping up kernel drives. 09.12.2023 15:02
Dana Behling, researcher from Carbon Black, sharing their work on "Hunting Vulnerable Kernel Drivers." The Carbon Black Threat Analysis Unit (TAU) discovered 34 unique vulnerable drivers, six of which allow kernel memory access, accepting firmware access. TAU reported the issues to the vendors whose drivers had valid signatures at the time of discovery, but only two vendors fixed the vulnerabiliti...
Exploits and vulnerabilities. 02.12.2023 18:48
Ryan from Bishop Fox joins to describe their work on "Building an Exploit for FortiGate Vulnerability CVE-2023-27997." After Lexfo published details of a pre-authentication remote code injection vulnerability in the Fortinet SSL VPN, Bishop Fox worked up a proof of concept demo. This research share how they were able to create that proof-of-concept exploit, step by step. The researchers state "Our...
Encore: Another infection with new malware. 25.11.2023 19:25
Larry Cashdollar, Principal Security Intelligence Response Engineer from Akamai Technologies, joins Dave to talk about their research on "KmsdBot: The Attack and Mine Malware." Akamai's Security Research team has found a new malware that infected their honeypot, which they have dubbed KmsdBot. The research states "The malware attacks using UDP, TCP, HTTP POST, and GET, along with a command and co...
The malicious YoroTrooper in disguise. 18.11.2023 16:35
Asheer Malhotra from Cisco Talos discussing their research and findings on "Kazakhstan-associated YoroTrooper disguises origin of attacks as Azerbaijan." Cisco Talos' research team, released research attributing the work of the espionage-focused threat actor, YoroTrooper, to individuals based in Kazakhstan. The research states "YoroTrooper attempts to obfuscate the origin of their operations, empl...
Encore: Old malware returns in a new way. 11.11.2023 24:19
Jeremy Kennelly and Sulian Lebegue from Mandiant sit down with Dave to discuss their research "From RM3 to LDR4: URSNIF Leaves Banking Fraud Behind? One of the oldest and most successful banking fraud malwares, URSNIF, which caused an estimated “tens of millions of dollars in losses”, has been discovered by researchers to have been re-tooled into a generic backdoor, dubbed “LDR4”. This new variant...
Sandman doesn't slow malware down. 04.11.2023 22:58
Aleksandar Milenkoski and JAGS from SentinelOne sits down to share their work on "Sandman APT | A Mystery Group Targeting Telcos with a LuaJIT Toolkit." After observing a new threat activity cluster by an unknown threat actor in August of this year, SentinelLabs dubbed it Sandman. The research states "Sandman has been primarily targeting telecommunication providers in the Middle East, Western Euro...
No rest for the wicked HiatusRAT. 28.10.2023 23:01
Danny Adamitis from Lumen's Black Lotus Labs sits down to discuss their work on "No Rest For The Wicked: HiatusRAT Takes Little Time Off In A Return To Action." Last March Lumen's Black Lotus Lab researchers discovered a novel malware called HiatusRAT that targeted business-grade routers. The research states "In the latest campaign, we observed a shift in reconnaissance and targeting activity; in...
AMBERSQUID hides in the depths. 21.10.2023 17:37
Sysdig's Alessandro Brucato and Michael Clark join Dave to discuss their work on "AWS's Hidden Threat: AMBERSQUID Cloud-Native Cryptojacking Operation." Attackers are targeting what are typically considered secure AWS services, like AWS Fargate and Amazon SageMaker. This means that defenders generally aren’t as concerned with their security from end-to-end. The research states "The AMBERSQUID oper...
Unwanted guests harvest your information. 14.10.2023 17:21
Amit Malik from Uptycs joins us to discuss their research titled "Unwanted Guests: Mitigating Remote Access Trojan Infection Risk." Uptycs threat research team identified a new threat referred to as QwixxRAT. The Uptycs team discovered this tool being widely distributed by the threat actor through Telegram and Discord platforms. The research states "QwixxRAT is meticulously designed to harvest an...
Targets from DuckTail. 07.10.2023 15:28
Deepen Desai from Zscaler joins to take a look into their research about "DuckTail." In May of 2023, Zscaler ThreatLabz began an intelligence collection operation to decode DuckTail’s maneuvers. Through an intensive three-month period of monitoring, Zscaler was able obtain unprecedented visibility into DuckTail’s end-to-end operations, spanning the entire kill chain from reconnaissance to post-com...
Downloading cracked software. 30.09.2023 17:29
David Liebenberg from Cisco Talos joins to discussing Talos' discovery of cracked Microsoft Windows software being downloaded by enterprise users across the globe. Downloading and running this compromised software not only serves as an entry point for threat actors, but can serve as a gateway to access control systems and establish backdoors. Talos identified additional malware, including RATs, on...
Behind the Google shopping ad masks. 23.09.2023 14:32
Maxim Zavodchik from Akamai joins Dave to discuss their research on "Xurum: New Magento Campaign Discovered." Akamai researchers have discovered an ongoing server-side template injection campaign that is exploiting digital commerce websites. This campaign targets Magento 2 shops, and was dubbed Xurum in reference to the domain name of the attacker’s command and control (C2) server. The research s...
A look into the emotions and anxieties of the highest levels of decision-making. 16.09.2023 40:15
Guest Manuel Hepfer from ISTARI shares his research on cyber resilience which includes discussions with 37 CEOs to gain insight into how they manage cybersecurity risk. ISTARI and Oxford University's Saïd Business School dive into the minds and experiences of CEOs on how they manage cybersecurity risk. Ask any CEO to name the issues that keep them awake at night and cybersecurity risk is likely ne...
No honor in being a criminal. 09.09.2023 17:18
This week, our guest is Reece Baldwin from Kasada discussing their work on "No Honour Amongst Thieves: Unpacking a New OpenBullet Malware Campaign." The Kasada Threat Intelligence team has recently identified a malware campaign targeting users of OpenBullet, a tool popular within criminal communities to conduct credential stuffing attacks. This malware campaign was first uncovered when the team wa...
Thwarting Muddled Libra. 02.09.2023 30:05
Kristopher Russo and Stephanie Regan from Palo Alto Networks Unit 42 join Dave to talk about Threat Group Assessment: Muddled Libra. With an intimate knowledge of enterprise information technology, this threat group presents a significant risk even to organizations with well-developed legacy cyber defenses. Posing threats to organizations in the software automation, BPO, telecommunications and tec...
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