diff --git a/README.md b/README.md index dc0fc9d..315bca0 100644 --- a/README.md +++ b/README.md @@ -58,6 +58,31 @@ TODOs: return this(stringArgument); }; +* Hook Native (JNI) +``` +Interceptor.attach(Module.findExportByName(null, "dlopen"), { + onEnter: function (args) { + var lib = Memory.readUtf8String(args[0]); + console.log("dlopen called with: " + lib); + this.lib = lib; // pass argument to onLeave + }, + onLeave: function (retval) { + console.log("dlopen called exit with: " + this.lib); + if (this.lib.endsWith("libfoo.so")) { + console.log("ret: " + retval); + var libtmessages_base = Process.findModuleByName("libfoo.so").base; // Module.findBaseAddress(‘foo.so’).add(0x1234) + console.log("libtmessages_base: " + libtmessages_base); + // find function address with $ nm -CD libfoo.so | grep "SomeClass::someFunction" + var i = Interceptor.attach(libtmessages_base.add(0x0021e5b4), { + onEnter: function(args) { + console.log('initttt '); + } + }); + console.log("i: " + i); + } + } + }); +``` References overview: