unstrip 1.2.0

Recover symbols, types, and method signatures from stripped Go binaries. Ghidra/IDA/Binary Ninja exporters included.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66

# IDA wrapper around the `unstrip` CLI.
# Adds a "Load Go symbols (unstrip)" menu item under Edit -> Plugins.
# Shells out to the unstrip binary on $PATH against the currently-loaded
# input file and runs the emitted IDC script inline.

import idaapi, ida_kernwin, ida_loader
import os, subprocess, tempfile

PLUGIN_NAME = "Load Go symbols (unstrip)"
PLUGIN_HOTKEY = "Ctrl-Shift-G"


def _resolve_input_path():
    p = ida_loader.get_path(ida_loader.PATH_TYPE_CMD)
    if p and os.path.exists(p):
        return p
    return ida_kernwin.ask_file(False, "*.*", "Locate the Go binary to recover symbols from")


def _run():
    binary = _resolve_input_path()
    if not binary:
        ida_kernwin.warning("unstrip: no input binary selected")
        return
    out_fd, out_path = tempfile.mkstemp(suffix=".py", prefix="unstrip_")
    os.close(out_fd)
    try:
        rc = subprocess.call(
            ["unstrip", binary, "--format", "ida"],
            stdout=open(out_path, "w"),
            stderr=subprocess.PIPE,
        )
        if rc != 0:
            ida_kernwin.warning("unstrip exited with code %d" % rc)
            return
        with open(out_path, "r") as f:
            exec(compile(f.read(), out_path, "exec"), {"__name__": "__unstrip__"})
        ida_kernwin.info("unstrip: symbols loaded")
    except FileNotFoundError:
        ida_kernwin.warning("unstrip binary not found on PATH; install via `cargo install unstrip`")
    finally:
        try:
            os.unlink(out_path)
        except OSError:
            pass


class UnstripPlugin(idaapi.plugin_t):
    flags = idaapi.PLUGIN_KEEP
    comment = "Recover symbols, types, and itabs from stripped Go binaries."
    help = "Run: Edit -> Plugins -> Load Go symbols (unstrip)"
    wanted_name = PLUGIN_NAME
    wanted_hotkey = PLUGIN_HOTKEY

    def init(self):
        return idaapi.PLUGIN_OK

    def run(self, arg):
        _run()

    def term(self):
        pass


def PLUGIN_ENTRY():
    return UnstripPlugin()