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APEX Stealer is an information-stealing malware family associated with collection of locally stored artifacts from AI-assisted development tools. Its collection behavior includes data that may expose AI-service access and refresh tokens, Model Context Protocol configuration secrets, API credentials, prompt or conversation histories, and project-related metadata. Theft of these artifacts can facilitate session replay, unauthorized use of AI-service accounts, exposure of development context, and compromise of connected services. This activity targets data present on endpoints already infected with infostealer malware and does not represent a vulnerability in AI models or coding agents.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 distinct technique documented for this family, organized by ATT&CK tactic.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Information-stealing malware cited as part of the expanding use of stealers to harvest local AI coding-agent artifacts.
Named as an information stealer illustrating the growing theft of locally stored AI coding-agent artifacts.
Lower-prevalence information-stealer family included among malware targeting data from AI-assisted development tools.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.