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YuanKong RAT The Android Remote-Control Service That Stamps ... - #3187
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carlospolop merged 2 commits intoOct 24, 2026
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Decision: keep The source supports a reusable manifest-guided recovery and child-APK validation workflow absent from the base page. The revision removes sample-specific container details while retaining the distinct validation steps. Head: |
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October 24, 2026 06:16
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Blog URL
https://starlabs.sg/blog/2026/10-yuankong-rat-the-android-remote-control-service-that-stamps-its-operators-names-into-every-build
Blog Title
YuanKong RAT: The Android Remote-Control Service That Stamps Operator Names into Every Build
Blog high summary
Static analysis of a YuanKong Android RAT shows that
assets/vault-config.jsonstores theSVLT-XOR-v2Base64 key and IV beside the blob. ParsingSVLTversion 2 and XORing ciphertext with the repeating key/IV recovers the ZIP child APK without execution;jadxand the Python PoC expose tenant constants and a shared certificate across 110 droppers.Post-unpacking, Socket.IO/WebSocket C2 uses TLS only; accessibility, screen capture, clipboard, notifications/OTPs, files, location, and payment-PIN capture enable surveillance. Wireless Debugging pairs local
adbdthrough SPAKE2, reaches Androidshell, grantsWRITE_SECURE_SETTINGS, and installs a daemon—not root.PR changes
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