Handler on Duty: Didier Stevens
Threat Level: green
Podcast Detail
SANS Stormcast Friday, April 18th: Remnux Cloud Environment; Erlang/OTP SSH Vuln; Brickstorm Backdoor Analysis; GPT 4.1 Safety Controversy
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/9414.mp3

Remnux Cloud Environment; Erlang/OTP SSH Vuln; Brickstorm Backdoor Analysis; GPT 4.1 Safety Controversy
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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 |
RedTail: Remnux and Malware Management
A description showing how to set up a malware analysis in the cloud with Remnux and Kasm. RedTail is a sample to illustrate how the environment can be used.
https://isc.sans.edu/diary/RedTail%2C%20Remnux%20and%20Malware%20Management%20%5BGuest%20Diary%5D/31868
Critical Erlang/OTP SSH Vulnerability
Researchers identified a critical vulnerability in the Erlang/OTP SSH library. Due to this vulnerability, SSH servers written in Erlang/OTP allow arbitrary remote code execution without prior authentication
https://www.openwall.com/lists/oss-security/2025/04/16/2
Brickstorm Analysis
An analysis of a recent instance of the Brickstorm backdoor. This backdoor used to be more known for infecting Linux systems, but now it also infects Windows.
https://www.nviso.eu/blog/nviso-analyzes-brickstorm-espionage-backdoor
https://blog.nviso.eu/wp-content/uploads/2025/04/NVISO-BRICKSTORM-Report.pdf
OpenAI GPT 4.1 Controversy
OpenAI released its latest model, GPT 4.1, without a safety report and guardrails to prevent malware creation.
https://opentools.ai/news/openai-stirs-controversy-with-gpt-41-release-lacking-safety-report
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 |
Application Security: Securing Web Apps, APIs, and Microservices | Las Vegas | Sep 22nd - Sep 27th 2025 |