macOS.Gaslight | Rust Backdoor Turns Prompt Injection on the Analyst, Not the Sandbox

2026-06-23 Sentinel One

https://www.sentinelone.com/labs/macos-gaslight-rust-backdoor-turns-prompt-injection-on-the-analyst-not-the-sandbox/

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SentinelLABS analyzed macOS.Gaslight, a Rust-based macOS implant and infostealer assessed with high confidence as part of DPRK-aligned macOS activity. The malware uses Telegram Bot API polling for C2, AES-GCM encryption over certificate-pinned TLS, and runtime bot-token self-redaction to protect operator credentials from logs or crash artifacts. It provides an interactive shell, LaunchAgent persistence, file upload/exfiltration, and a configurable Python stealer that collects browser data, shell histories, process and system profiles, and `login.keychain-db`. Its distinctive feature is a 38-message prompt-injection cascade embedded in the binary to confuse LLM-assisted malware triage workflows into aborting or refusing analysis.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 5555494492fc075f441637fb9d89491… 2026-06-23 2026-06-23
HASH b3c56d689414343589f38394d19ba2f… 2026-06-23 2026-06-23
HASH baabf249c77bc54c54ab0e66e15af79… 2026-06-23 2026-06-23
HASH d95dede4387ff516f4c23351c450427d 2026-06-23 2026-06-23
HASH c586e6be49105a23af8f306b560e35e6 2026-06-23 2026-06-23

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