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New ZiChatBot Malware Uses Zulip REST APIs as Command and Control Server

📅 8 May 2026 at 14:06 UTC📰 Cyber Security NewsView original source ↗
New ZiChatBot Malware Uses Zulip REST APIs as Command and Control Server

A newly discovered malware called ZiChatBot has been found quietly using the REST APIs of a legitimate team chat application called Zulip to receive and carry out commands from its operators. This approach is unusual because the malware never communicates with a private server that security tools could flag or block, making it harder to […] The post New ZiChatBot Malware Uses Zulip REST APIs as Command and Control Server appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

ZiChatBot malware uses Zulip REST APIs as a command and control server, evading detection by traditional security tools. This unusual approach makes it challenging for defenders to identify and block the threat.

⚙️Technical Details
Affected Systems
Zulip team chat application
Attack Vectors
REST API exploitation
💥Impact Assessment
Severity: High
🛡️Recommended Actions
1Monitor Zulip team chat applications for suspicious activity
2Implement REST API rate limiting to prevent abuse
3Regularly update and patch affected systems against known vulnerabilities
📦Affected Products
Zulip team chat application

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