Kimsuky (APT43) has updated its arsenal with new PebbleDash and AppleSeed malware variants, including the Rust-based HelloDoor and httpMalice backdoors. The group is increasingly utilizing legitimate services like VSCode Remote Tunnels, Cloudflare Quick Tunnels, and DWAgent for covert C2 and post-exploitation access, primarily targeting South Korean entities and global defense sectors.
VSCode Tunneling
2 posts
Kimsuky targets organizations with PebbleDash-based tools Tropic Trooper: AdaptixC2 + Custom Beacon | ThreatLabz Tropic Trooper is conducting a cyber espionage campaign targeting Chinese-speaking individuals in Asia using military-themed lures. The threat actors employ a trojanized SumatraPDF reader (TOSHIS loader) to deploy a custom AdaptixC2 Beacon that uses GitHub for command-and-control, ultimately establishing persistent remote access via VS Code tunnels.