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EvilTokens is a phishing-as-a-service platform focused on compromising Microsoft 365 accounts through device code phishing. Emerging in February 2026, it abuses Microsoft’s OAuth 2.0 Device Authorization Grant to trick victims into completing authentication on Microsoft’s legitimate device login page, allowing operators or affiliates to capture access and refresh tokens without directly stealing passwords and while effectively bypassing common MFA protections. The service has been linked to large-scale campaigns affecting hundreds of organizations across multiple countries and has been marketed openly through Telegram with subscription-style pricing, support channels, and affiliate-oriented tooling. The platform is designed for token-centric account takeover and business email compromise. Reported capabilities include harvesting Microsoft 365 access and refresh tokens, converting stolen access into persistent Primary Refresh Tokens, maintaining access to Outlook, SharePoint, OneDrive, Azure-related resources, and providing centralized dashboards for token management and collaborative operations. EvilTokens also offers a browser component referred to as Portal Browser or ET Browser for managing multiple compromised Microsoft 365 sessions simultaneously. Post-compromise activity includes Microsoft Graph reconnaissance, mailbox review, inbox rule abuse, email access, data theft, and preparation for wire-fraud or invoice-fraud scenarios. EvilTokens is notable for integrating artificial intelligence into both pre-compromise and post-compromise workflows. Reported uses include generating personalized phishing lures, translating stolen communications, analyzing inboxes and documents for financial exposure, identifying payment threads and high-value contacts, and drafting follow-on business email compromise content. This automation lowers the barrier to entry for less capable operators and accelerates the transition from initial access to fraud and exfiltration. Operationally, EvilTokens has relied on legitimate cloud and serverless infrastructure to reduce detection, including platforms such as Railway, Cloudflare Workers, and later infrastructure associated with BL Networks. Campaigns attributed to the ecosystem have used multi-hop redirect chains, trusted-service URL wrapping, anti-bot protections, and legitimate-looking Microsoft-themed lures such as document shares, voicemail notices, invoices, benefits updates, and construction bid themes. Reporting also links ARToken to the EvilTokens ecosystem as an affiliate or closely related operator panel sharing device-code workflow patterns, token persistence mechanisms, and broader BEC-oriented functionality. EvilTokens is best characterized as a financially motivated cybercriminal service enabling scalable Microsoft 365 account takeover, persistence, data theft, and business email compromise through MFA-resistant token theft rather than traditional credential phishing alone.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
37 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A phishing-as-a-service platform attributed to earlier device code phishing waves linked to Railway, used for Microsoft 365 token-focused phishing operations.
A phishing-as-a-service operation focused on compromising Microsoft 365 via device code phishing, stealing authentication tokens, establishing persistence with Primary Refresh Tokens, and enabling business email compromise and data theft. The content also notes AI-assisted automation for fraud and BEC workflows.
Referenced as the ecosystem to which ARToken is closely linked.
Business email compromise and phishing-as-a-service activity targeting Microsoft 365 accounts, using MFA-bypass phishing and advanced account-manipulation features to facilitate BEC fraud.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.