New YiBackdoor Malware Shares Major Code Overlaps with IcedID and Latrodectus

Sep 24, 2025

Cybersecurity researchers have disclosed details of a new malware family dubbed YiBackdoor that has been found to share “significant” source code overlaps with IcedID and Latrodectus.
“The exact connection to YiBackdoor is not yet clear, but it may be used in conjunction with Latrodectus and IcedID during attacks,” Zscaler ThreatLabz said in a Tuesday report. “YiBackdoor is able to execute

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