Record · corpus.blog/posts/01a08784-dfd7-73e6-b12f-d7e87ffd8a66

Reverse Engineering a Multi Stage File Format Steganography Chain of the TeamPCP Telnyx Campaign

husseinmuhaisen.com · published 10 April 2026

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https://github.com/HackingLZ/telnyx_4.87.1_payload/blob/main/stage0_trigger.py

github.com

https://wavefilegem.com/how_wave_files_work.html

wavefilegem.com

https://github.com/HackingLZ/telnyx_4.87.1_payload/

github.com

https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea

learn.microsoft.com

https://gist.github.com/husseinmuhaisen/86369a4b41b3a9405817e5b219ce885c

gist.github.com

https://x.com/husseinmuhaisen

x.com

https://www.linkedin.com/in/husseinmuhaisen/

linkedin.com

https://bsky.app/profile/husseinmuhaisen.bsky.social

bsky.app

https://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html

www-mmsp.ece.mcgill.ca

http://soundfile.sapp.org/doc/WaveFormat

soundfile.sapp.org

https://en.wikipedia.org/wiki/WAV

en.wikipedia.org

https://www.virustotal.com/gui/file/726af976bb1d0125b004ca0d03ac7ce4c315ca8ba7d7de0d7b646b29b6a70feb

virustotal.com

https://bazaar.abuse.ch/sample/726af976bb1d0125b004ca0d03ac7ce4c315ca8ba7d7de0d7b646b29b6a70feb

bazaar.abuse.ch

https://www.wiz.io/blog/trivy-compromised-teampcp-supply-chain-attack

wiz.io

https://yaraify.abuse.ch/

yaraify.abuse.ch

https://unprotect.it/techniques/

unprotect.it

TeamPCP’s Telnyx Windows Malware: Technical Analysis Read at the source ↗

ox.security

https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-lstrcata

learn.microsoft.com

https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getsystemdirectorya

learn.microsoft.com