LWA-2026-12871 MAL-2026-4887 ↗ confirmed malware

@cloudplatform-single-spa/anti-ddos@99.99.99

Malicious code in @cloudplatform-single-spa/anti-ddos (npm)

T1195.002 · Compromise Software Supply ChainT1059 · Command and Scripting InterpreterT1546.016 · Installer PackagesT1071 · Application Layer Protocol

Analysis

A dependency-confusion stub in the @cloudplatform-single-spa scope, using version 99.99.99 to hijack dependency resolution. The ~7.8KB package ships a postinstall hook (postinstall.js) that beacons to the command-and-control domain oob[.]moika[.]tech on install. The package has since been unpublished.

analyzed by
Leitwacht
first seen
May 28, 2026, 08:59 AM
analyzed
Jun 1, 2026, 08:03 PM
weekly installs
101

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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.