Malicious npm Package indexed-btree Hid Its Loader in Runtime Code Before Removal

A malicious npm package named « indexed-btree » has been observed hiding its malicious behavior within application code rather than using lifecycle scripts, indicating that threat actors are likely shifting tactics in response to recent security controls.

« Indexed-btree is a malicious npm package mimicking the legit sorted-btree package, an ordinary B-tree/indexing utility, » Checkmarx said. «