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Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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1 IOC

Tracking Shai-Hulud: Inside the ChainDrop NPM Worm

Zscaler ThreatLabz
Zscaler ThreatLabz
Published August 11, 2026Original Report

Excerpt

IntroductionOn August 4, 2026, a self-propagating worm called ChainDrop entered the npm ecosystem through a compromised maintainer account. ChainDrop is a variant of Mini Shai-Hulud linked to TeamPCP. ChainDrop anchored its C2 infrastructure in an Ethereum smart contract, allowing the attacker to rotate domains with a single blockchain transaction and rendering domain-based blocklists ineffective.The attacker compromised the GitHub account of the maintainer of…

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Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYunknownINFRASTRUCTUREnpm-cache.comCAPABILITYunknownVICTIMunknown
Adversary
Infrastructure(1)
Capability
Victim

Indicators of Compromise

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1 indicators

TypeIndicatorConfidenceScoreFirst Seen
Domainnpm-cache.comHighScore 86/100First seen

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