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Home / Threat Intel / Atomic Stealer / AMOS
Active Threat Campaign: Atomic Stealer / AMOS

Check your domain for
Atomic Stealer / AMOS infections.

We monitor Atomic Stealer / AMOS logs in real-time. Enter your domain on our scanner to identify exposed credentials associated with this malware family and act before attackers use them.

Scan your domain for Atomic Stealer / AMOS
Infection Vector
Trojanized macOS apps and fake DMG installers
Primary Target
macOS Keychain, browser cookies, and wallet data
Primary Objective
macOS credential theft and session compromise
Monitoring Signal
Leaked Keychain and browser session artifacts from Apple endpoints

About this Malware

Atomic Stealer, also called AMOS, is a macOS-focused infostealer that extracts Keychain items, browser credentials, cookies, notes, and cryptocurrency wallets. Campaigns abuse fake software ads and trojanized installers. The malware requests elevated permissions, packages harvested data, and exfiltrates to operator panels for resale and targeted access against Apple-centric company workforces.

AMOS highlights growing stealer focus on macOS-heavy environments. Security programs that historically prioritized Windows-only telemetry can miss early warning signs. Domain-level exposure detection helps identify impacted identities quickly while endpoint and identity teams assess broader compromise across SSO, developer tooling, and wallet-enabled workflows on Apple fleets.

Family
Atomic Stealer / AMOS
Use Case
Threat exposure triage and response prioritization

Common Indicators in Leaked Logs

  • Credential leaks associated with macOS user agents or Keychain artifacts
  • Session cookie exposure from Safari and Chromium-based macOS browsers
  • Compromised records tied to fake DMG installer distribution periods
  • Repeated account risk alerts among Apple endpoint user groups

Recommended Actions

  • Rotate credentials and revoke sessions for affected macOS users
  • Audit device trust and remove unauthorized elevated app permissions
  • Block fake installer channels and ad-lure software downloads
  • Track ongoing AMOS exposure signals across corporate domains

FAQ

What does Atomic Stealer / AMOS typically steal?

Atomic Stealer / AMOS campaigns commonly target credentials, browser session material, and identity artifacts that enable account takeover. Monitoring leaked records helps security teams detect exposed users early and reduce attacker dwell time.

How does LeakyCreds detect Atomic Stealer / AMOS exposure?

LeakyCreds continuously monitors stealer log intelligence and related leak sources, then maps exposed records back to your domain. Teams can validate impact quickly and prioritize remediation by user and risk profile.

What should we do after a positive Atomic Stealer / AMOS match?

Start with password resets, session revocation, and MFA enforcement for impacted identities. Then investigate endpoint compromise paths, block repeat infection vectors, and keep continuous monitoring active for delayed log publication.

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