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Epsilon Stealer is an information-stealing malware family referenced in reporting on malware distribution via Electron-based applications and Discord-abuse campaigns. The provided content explicitly identifies it as a stealer/infostealer and lists it alongside other stealers such as Doenerium and Nova Stealer. One reported infection vector involved an August 2023 lure in which an unsuspecting user downloaded and ran a purported game, resulting in Epsilon Stealer being installed on the system. The same reporting states the campaign likely used compromised Discord accounts to disseminate the malware and exploit user trust in the platform. The content also places Epsilon Stealer in the broader pattern of threat actors targeting gamers with fake games, cheats, mods, or enhancements to induce execution. High-confidence details in the provided material do not include specific technical capabilities beyond its classification as a stealer, nor concrete IOCs, actor attribution, or targeted industries beyond the gamer-focused distribution context.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
5 distinct techniques documented for this family, organized by ATT&CK tactic.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Referenced as an example of Electron-based infostealer malware seen in recent years.
Referenced as an example of Electron-based infostealer malware.
Information stealer delivered to Discord users via social engineering (e.g., lures to try a new game), potentially spread via compromised Discord accounts.
Information stealer distributed via fake video game download websites.
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.