https://github.com/reverseapple/gxpc

Sniff XPC communication using Frida and Go
https://github.com/reverseapple/gxpc

frida ios macos reverse-engineering xnu xpc

Last synced: 18 days ago
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Sniff XPC communication using Frida and Go

• Host: GitHub
• URL: https://github.com/reverseapple/gxpc
• Owner: ReverseApple
• License: mit
• Created: 2023-06-02T16:35:44.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-09-22T17:20:39.000Z (about 2 months ago)
• Last Synced: 2024-10-15T11:06:28.861Z (29 days ago)
• Topics: frida, ios, macos, reverse-engineering, xnu, xpc
• Language: Go
• Homepage:
• Size: 1.68 MB
• Stars: 118
• Watchers: 3
• Forks: 4
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# gxpc

Tool inspired by [xpcspy](https://github.com/hot3eed/xpcspy) tool to monitor XPC traffic. 

gxpc recursively parses types of `xpc_object_t` as well as unmarshalling the data back to Go types.

# Installation

Download one of the prebuilt binaries for macOS(x86_64 or arm64) from [here](https://github.com/ReverseApple/gxpc/releases) 

or do it manually as described below. 

* Follow the instructions for devkit documented [here](https://github.com/frida/frida-go)

* Run `go install github.com/ReverseApple/gxpc@latest`

# Usage

```bash

XPC sniffer

Usage:

  gxpc [spawn_args] [flags]

Flags:

  -b, --blacklist strings    blacklist connection by name

      --blacklistp strings   blacklist connection by PID

  -f, --file string          spawn the file

  -h, --help                 help for gxpc

  -i, --id string            connect to device with ID

  -l, --list                 list available devices

  -n, --name string          process name

  -o, --output string        save output to this file

  -p, --pid int              PID of wanted process (default -1)

  -r, --remote string        connect to device at IP address

  -w, --whitelist strings    whitelist connection by name

      --whitelistp strings   whitelist connection by PID

```

If you do not pass `-i` flag, default device is USB.

If you want to spawn a file/binary, pass the `-f` that points to the file/binary you want to spawn along with the arguments.

* `gxpc -i local -f /bin/cat /tmp/somefile` - without some specific flags to the spawned binary

* `gxpc -i local -f /path/to/binary -- -a -b "TEST"` - with some specific flags to the spawned binary

Additionally, you can filter on connection names or PIDs, if you pass both filters (name and PID), it will take only name. 

`--whitelist` and `--whitelistp` along with the `--blacklist` and `--blacklistp` accepts the list, such as `--blacklistp "89,32,41"` which will 

blacklist the ports 89, 32 and 41.

![Running gxpc](running.png)

![Running against Signal](running_one.png)