Rustonotto
Aliases: CHILLYCHINO
- Malware type
- trojan, rat
- Family
- Malware family
- Last IoC activity
- 2026-07-01 19:55:51
- Profile updated
- 2026-07-07 15:18:51
Targeted industries: government-and-public-sector technology-and-telecommunications
Targeted regions: country_code:kr
Context
Rustonotto, active since June 2025, is a Rust-compiled malware, representing the first known instance of APT37 leveraging Rust-based malware to target Windows systems.
Detection coverage
- 1 YARA rules
Detection rules
- MALPEDIA_Win_Rustonotto_Auto (yara-rule)
Reports & references
- malpedia.caad.fkie.fraunhofer.de — Win.Rustonotto (report)
- zscaler.com — Apt37 Targets Windows Rust Backdoor And Python Loader (report)