The China-aligned APT group Webworm has updated its toolset in 2025, shifting focus to European and South African targets. The group deployed two new custom backdoors, EchoCreep and GraphWorm, which abuse Discord and the Microsoft Graph API respectively for command and control. Additionally, Webworm utilizes a complex network of custom proxy tools and compromised infrastructure, including GitHub and Amazon S3, to stage payloads and exfiltrate data.
Webworm
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Webworm: New burrowing techniques