Frida w2_32.dll - send hook

w2_32_hook.py

import sys
import pefile
import frida

def on_message (message,data):
    print("[%s]-%s"%(message,data))

def main(target_process):
    session=frida.attach(target_process) # console.log("sendcalledfrom:"+Thread.backtrace(this.context,Backtracer.ACCURATE).map(DebugSymbol.fromAddress).join("\\n")+"");
    script=session.create_script("""
        var sendPtr = Module.findExportByName("ws2_32.dll","send");
        console.log('sendaddress:'+sendPtr.toString());
        console.log('Hookingws2_32!send');
        Interceptor.attach(sendPtr,{
            onEnter:function(args){
                console.log("buf:"+Memory.readCString(args[1]));
                console.log("len:"+Memory.readCString(args[2]));
        },
        onLeave:function (retval){
        }
    });
    """)
    script.on('message',on_message)
    script.load()
    raw_input('\n\n')
    session.detach()
    
if __name__ == '__main__':
    target_process = '<someexe.exe>'
    foo = unicode(target_process)
    main(str(foo))