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socket activity refactoring

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iddoeldor 2019-05-26 18:00:15 +03:00 committed by GitHub
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README.md
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@ -180,25 +180,13 @@ onLeave
#### Socket activity
```js
Module.enumerateExportsSync(
// finding socket module path
Process.enumerateModulesSync().filter(function(m){
return m.name === { linux: 'libc.so', darwin: 'libSystem.B.dylib', windows: 'ws2_32.dll' }[Process.platform]
})[0].path
).forEach(function(ex){
if (
ex.type === 'function' &&·
// if function contains the prefix of one of the socket related functions
['connect', 'recv', 'send', 'read', 'write'].some(function(prefix) {
return ex.name.indexOf(prefix) === 0
})
) {
Process
.getModuleByName({ linux: 'libc.so', darwin: 'libSystem.B.dylib', windows: 'ws2_32.dll' }[Process.platform])
.enumerateExports().filter(ex => ex.type === 'function' && ['connect', 'recv', 'send', 'read', 'write'].some(prefix => ex.name.indexOf(prefix) === 0))
.forEach(ex => {
Interceptor.attach(ex.address, {
onEnter: function (args) {
this.fd = args[0].toInt32();
},
onLeave: function (retval) {
var fd = this.fd;
var fd = args[0].toInt32();
if (Socket.type(fd) !== 'tcp')
return;
var address = Socket.peerAddress(fd);
@ -206,49 +194,16 @@ Module.enumerateExportsSync(
return;
console.log(fd, ex.name, address.ip + ':' + address.port);
}
});
}
});
})
})
```
<details>
<summary>Output example</summary>
Android example
```
Java.perform(function(){
Module.enumerateExportsSync(
// finding socket module path
Process.enumerateModulesSync().filter(function(m){
return m.name === { linux: 'libc.so', darwin: 'libSystem.B.dylib', windows: 'ws2_32.dll' }[Process.platform]
})[0].path
).forEach(function(ex){
if (
ex.type === 'function' &&·
// if function contains the prefix of one of the socket related functions
['connect', 'recv', 'send', 'read', 'write'].some(function(prefix) {
return ex.name.indexOf(prefix) === 0
})
) {
Interceptor.attach(ex.address, {
onEnter: function (args) {
this.fd = args[0].toInt32();
},
onLeave: function (retval) {
var fd = this.fd;
if (Socket.type(fd) !== 'tcp')
return;
var address = Socket.peerAddress(fd);
if (address === null)
return;
console.log(fd, ex.name, address.ip + ':' + address.port);
}
});
}
});
});
```
```sh
# wrap the script above inside Java.perform
$ frida -Uf com.example.app -l script.js --no-pause
[Android Model-X::com.example.app]-> 117 write 5.0.2.1:5242
117 read 5.0.2.1:5242