Malicious npm Package indexed-btree Hid Its Loader in Runtime Code Before Removal
- Posted on September 22, 2026
- By The Hacker News
- 1 Views
- 1 min read
A sophisticated malware campaign exploited the npm ecosystem through the indexed-btree package, which cleverly embedded malicious loader code within runtime operations rather than installation hooks. This evasion technique allowed the compromised library to evade detection mechanisms while accumulating millions of downloads. Researchers discovered the threat before widespread system compromise, revealing advanced obfuscation tactics employed by supply chain attackers targeting JavaScript developers.
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