Handler on Duty: Xavier Mertens
Threat Level: green
Podcast Detail
SANS Stormcast Thursday Feb 27th: High Exfil Ports; Malicious VS Code Theme; Developer Workstation Safety; NAKIVO PoC; OpenH264 and rsync vuln;
If you are not able to play the podcast using the player below: Use this direct link to the audio file: https://traffic.libsyn.com/securitypodcast/9342.mp3
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High Exfil Ports; Malicious VS Code Theme; Developer Workstation Safety; NAKIVO PoC; OpenH264 and rsync vuln;
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Network Monitoring and Threat Detection In-Depth | Baltimore | Mar 3rd - Mar 8th 2025 |
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Attacker of of Ephemeral Ports
Attackers often use ephermeral ports to reach out to download additional resources or exfiltrate data. This can be used, with care, to detect possible compromises.
https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Malware%20Source%20Servers%3A%20The%20Threat%20of%20Attackers%20Using%20Ephemeral%20Ports%20as%20Service%20Ports%20to%20Upload%20Data/31710
Compromised Visal Studio Code Extension downloaded by Millions
Amit Assaraf identified a likely compromised Visual Studio Code theme that was installed by millions of potential victims. Amit did not disclose the exact malicious behaviour, but is asking for victims to contact them for details.
https://medium.com/@amitassaraf/a-wolf-in-dark-mode-the-malicious-vs-code-theme-that-fooled-millions-85ed92b4bd26
ByBit Theft Due to Compromised Developer Workstation
ByBit and Safe{Wallet} disclosed that the record breaking ethereum theft was due to a compromised Safe{Wallet} developer workstation. A replaced JavaScript file targeted ByBit and altered a transaction signed by ByBit.
https://x.com/benbybit/status/1894768736084885929
https://x.com/safe/status/1894768522720350673
PoC for NAKIVO Backup Replication Vulnerability
This vulnerability allows the compromise of NAKIVO backup systems. The vulnerability was patched silently in November, and never disclosed by NAKIVO. Instead, WatchTowr now disloses details including a proof of concept exploit.
https://labs.watchtowr.com/the-best-security-is-when-we-all-agree-to-keep-everything-secret-except-the-secrets-nakivo-backup-replication-cve-2024-48248/
OpenH264 Vulnerability
https://github.com/cisco/openh264/security/advisories/GHSA-m99q-5j7x-7m9x
rsync vulnerability exploited
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Network Monitoring and Threat Detection In-Depth | Baltimore | Mar 3rd - Mar 8th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | Orlando | Apr 13th - Apr 18th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | San Diego | May 5th - May 10th 2025 |
Network Monitoring and Threat Detection In-Depth | Baltimore | Jun 2nd - Jun 7th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | Washington | Jul 14th - Jul 19th 2025 |