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TerminalFix: PNG Steganography, (Mon, Sep 21st)

Microsoft Security Research published an interesting blog post "TerminalFix campaign deploys a reverse tunnel through multistage intrusion" about a malware campaign. The aspect that I want to take a closer look at, is the fact that the threat actors used PNG files with steganography. I reached out to the researchers and they kindly shared the IOCs for the PNG files with me.

11:10 am, September 21, 2026

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https://isc.sans.edu/diary/rss/33318

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https://isc.sans.edu/diary/rss/33318

id: 3162
uid: LvGeh
insdate: 2026-09-21 11:10:05
title: TerminalFix: PNG Steganography, (Mon, Sep 21st)
additional:

Microsoft Security Research published an interesting blog post "TerminalFix campaign deploys a reverse tunnel through multistage intrusion" about a malware campaign. The aspect that I want to take a closer look at, is the fact that the threat actors used PNG files with steganography. I reached out to the researchers and they kindly shared the IOCs for the PNG files with me.


category: Cybersecurity
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guid: https://isc.sans.edu/diary/rss/33318
source_url: https://isc.sans.edu/diary/rss/33318
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