The OpenSourceMalware Show

Miasma npm worm hits Red Hat, new OpenSourceMalware research on 2026 trends, the Moika campaign

OpenSourceMalware Season 1 Episode 7

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0:00 | 40:53

This week Paul and Jenn talk about:

  • Miasma Campaign — Starting June 1st with 32 Red Hat @redhat-cloud-services packages (averaging 80,000 weekly downloads) compromised, the campaign expanded to over 80 packages and 286+ malicious versions within days. The worm is the first confirmed in-the-wild use of TeamPCP's open-sourced MiniShai Hulud worm, though TeamPCP has not claimed credit. It is multi-ecosystem (npm, PyPI, RubyGems) and the Ruby variant appears to be LLM-translated, not part of the original open-sourced code. The initial Red Hat compromise came not through a GitHub Actions vulnerability but through abused gaps in npm trusted publishing. A live comment from Francois (VP of Security Research at BoostSecurity) corrected this in real time during the show.
  • The Shift from Human to Machine Attack Paths — Account takeover attacks have shifted away from social engineering as the primary foothold. The Axios compromise in early 2026 was likely the last major example of a social-engineering-based entry point. Threat actors now primarily target CI pipelines, automated builds, and developer tooling. Automation has also accelerated post-compromise activity: credential abuse now begins within seconds of a system being popped, rather than requiring manual follow-through.
  • OpenSourceMalware Data Trends (Jan to mid-May 2026) — Three trends from six months of OSM threat report data. First, npm remains the dominant ecosystem by volume but PyPI is growing at a comparable rate and the two frequently correlate, reflecting multi-ecosystem attack campaigns. Second, the vast majority of malicious packages have fewer than 10,000 weekly downloads (indicative of typosquatting and dependency confusion), but the share of high-download packages has grown over the period, with account takeovers representing 60 to 65% of new records in the week of May 11th. Third, malicious ClawHub skills have grown rapidly since January, with over 700 in the database by end of March. Nearly a fifth target marketing roles (SEO, Klaviyo, TikTok, YouTube), reflecting threat actors going after non-developer users of AI tools.
  • Moika Campaign — Over 260 verified threat reports tied to infrastructure at oob.moika.tech, with nearly 300 packages deployed. The campaign sits in a gray area: the account has a history consistent with bug bounty research (PoCs, packages without payloads, version numbering at 99.9 to float above legitimate packages), but the payloads on others are overtly credential-stealing and one researcher has attributed the campaign to a Russian nexus. This connects to a broader conversation about the volume of security-researcher-style packages in the ecosystem: between October 2024 and January 2025, between 25 and 41% of malicious packages entering OSV were attributable to bug bounty researchers. The episode also covers AI hallucination as an attack vector, using Events Channel (still live on npm with 168,000 downloads despite being reported) as an example of how LLM-hallucinated package names get weaponized.

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