---
title: "Discussion on \"APT41's Expanding Arsenal: Google Calendar C2, Silver Dragon, and the Persistent Threat to U.S. Defense and Healthcare\" | Hashnode"
description: "Discussion on \"APT41's Expanding Arsenal: Google Calendar C2, Silver Dragon, and the Persistent Threat to U.S. Defense and Healthcare\". APT41 deploys TOUGHPROGRESS malware with Google Calendar C2, launches Silver Dragon sub-cluster, and continues targeting U.S. defense and healthcare infrastr..."
url: "https://hashnode.com/posts/apt41s-expanding-arsenal-google-calendar-c2-silver-dragon-and-the-persistent-threat-to-us-defense-and-healthcare/69ba7ef852ffd67f055f2f0b"
---

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Discussion

# [APT41's Expanding Arsenal: Google Calendar C2, Silver Dragon, and the Persistent Threat to U.S. Defense and Healthcare](https://redsheeptrends.hashnode.dev/apt41s-expanding-arsenal-google-calendar-c2-silver-dragon-and-the-persistent-threat-to-us-defense-and-healthcare?utm_source=hashnode&utm_medium=feed)

APT41 deploys TOUGHPROGRESS malware with Google Calendar C2, launches Silver Dragon sub-cluster, and continues targeting U.S. defense and healthcare infrastr...

Mar 18 · 29 min read · redsheeptrends.hashnode.dev  
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-   [#apt41](https://hashnode.com/tag/apt41)
-   [#chinese-apt](https://hashnode.com/tag/chinese-apt)
-   [#healthcare-cybersecurity](https://hashnode.com/tag/healthcare-cybersecurity)
-   [#silver-dragon](https://hashnode.com/tag/silver-dragon)
-   [#tactical](https://hashnode.com/tag/tactical)

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[Steven Stone](https://hashnode.com/@redsheep)

@redsheep · Hawaii, USA

  
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