frida_android_jni_hook
Hook Android JNI functions in libart.so to capture arguments and return values from calls like RegisterNatives and FindClass.
Instructions
[Android] Hook JNI functions in libart.so.
Hooks RegisterNatives, FindClass, GetMethodID, CallObjectMethod, NewStringUTF, GetStringUTFChars, etc. Captures arguments and return values.
target: process name or pid (string).
function_name: JNI function to hook (e.g. 'RegisterNatives', 'FindClass').
duration_seconds: how long to capture (default 10).
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"target": "<target>",
"function_name": "<function_name>"
},
"name": "frida_android_jni_hook"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| target | Yes | ||
| function_name | Yes | ||
| duration_seconds | No |