feature: config file

config.py

@@ -0,0 +1,34 @@
+import yaml
+import os
+import logging
+
+CONFIG_FILE = os.path.join(os.path.dirname(__file__), "config.yaml")
+
+class Config(object):
+    def __init__(self):
+        self.data = {}
+
+    def getConfigPath(self):
+        return CONFIG_FILE
+    
+    def getConfig(self):
+        return self.data
+    
+    def load(self):
+        with open(CONFIG_FILE) as jsonfile:
+            try:
+                self.data = yaml.safe_load(jsonfile)
+            except yaml.YAMLError as e:
+                print('Decoding {} as failed with: {}'.format(CONFIG_FILE, e))
+                quit()
+
+        if 'server' in os.environ:
+            server = os.environ["server"] 
+            self.data["server"] = { "server": server }
+            print("Using ENV: server={}, overwriting all others from config.yaml".format(
+                server))
+
+    def get(self, value):
+        return self.data.get(value, "")
+
+config = Config()

config.yaml

@@ -0,0 +1,7 @@
+path_cl: 'C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\bin\Hostx64\x64\cl.exe'
+path_ml64:  'C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\bin\Hostx64\x64\ml64.exe'
+
+path_masmshc:  'C:\Users\hacker\Source\Repos\masm_shc\out\build\x64-Debug\masm_shc\masm_shc.exe'
+path_runshc: 'C:\Users\hacker\Source\Repos\masm_shc\out\build\x64-Debug\runshc\runshc.exe'
+#- path_shexec = r'C:\Research\hasherezade\exec_fiber\sh-exec-fiber.exe'
+

helper.py

@@ -5,15 +5,11 @@ import shutil
 import pathlib
 import sys
 
+from config import config
+
 
 SHC_VERIFY_SLEEP = 0.1
 
-path_cl = r'C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\bin\Hostx64\x64\cl.exe'
-path_ml64 =  r'C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\bin\Hostx64\x64\ml64.exe'
-
-path_masmshc =  r'C:\Users\hacker\Source\Repos\masm_shc\out\build\x64-Debug\masm_shc\masm_shc.exe'
-path_runshc = r'C:\Users\hacker\Source\Repos\masm_shc\out\build\x64-Debug\runshc\runshc.exe'
-#path_shexec = r'C:\Research\hasherezade\exec_fiber\sh-exec-fiber.exe'
 
 verify_filename = r'C:\Temp\a'
 build_dir = "build"
@@ -54,7 +50,7 @@ def run_process_checkret(args):
 def try_start_shellcode(shc_file):
     print("--[ Blindly execute shellcode: {} ]".format(shc_file))
     subprocess.run([
-        path_runshc,
+        config.get["path_runshc"],
         shc_file,
     ]) # , check=True
 

phases/asmtoshc.py

@@ -1,13 +1,15 @@
-from helper import *
 import pefile
 
+from helper import *
+from config import config
+
 
 def make_shc_from_asm(asm_file, exe_file, shc_file):
     print("--[ Assemble to exe: {} -> {} -> {} ]".format(asm_file, exe_file, shc_file))
 
     print("---[ Assemble ASM to EXE: {} -> {} ]".format(asm_file, exe_file))
     run_process_checkret([
-        path_ml64,
+        config.get("path_ml64"),
         asm_file,
         "/link",
         "/OUT:{}".format(exe_file),

phases/ctoasm.py

@@ -1,4 +1,5 @@
 from helper import *
+from config import config
 
 
 def make_c_to_asm(c_file, asm_file, payload_len):
@@ -13,7 +14,7 @@ def make_c_to_asm(c_file, asm_file, payload_len):
     # Phase 1: Compile
     print("---[ Compile: {} ]".format(c_file))
     run_process_checkret([
-            path_cl,
+            config.get("path_cl"),
             "/c",
             "/FA",
             "/GS-",
@@ -29,7 +30,7 @@ def make_c_to_asm(c_file, asm_file, payload_len):
     asm_clean_file = asm_file + ".clean"
     print("---[ Cleanup: {} ]".format(asm_file))
     run_process_checkret([
-        path_masmshc,
+        config.get("path_masmshc"),
         asm_file,
         asm_clean_file,
     ])

supermega.py

@@ -3,6 +3,7 @@ from enum import Enum
 from helper import *
 import argparse
 
+from config import config
 from phases.ctoasm import *
 from phases.asmtoshc import *
 from phases.shctoexe import *
@@ -50,8 +51,8 @@ options_default = {
     "cleanup_files_on_exit": True,
 
     # For debugging: Can disable some steps
-    "generate_asm_from_c": True,
+    "generate_asm_from_c": True,    # phase 2
-    "generate_shc_from_asm": True,
+    "generate_shc_from_asm": True,  # phase 3
 
     # Not working atm
     "obfuscate_shc_loader": False,
@@ -86,8 +87,8 @@ options_verify = {
     "inject_exe_out": "out/procexp64-a.exe",
 
     # For debugging: Can disable some steps
-    "generate_asm_from_c": True,
+    "generate_asm_from_c": True,        # phase 2
-    "generate_shc_from_asm": True,
+    "generate_shc_from_asm": True,      # phase 3
     
     # cleanup
     "cleanup_files_on_start": True,
@@ -98,8 +99,6 @@ options_verify = {
     "test_obfuscated_shc": False,
 }
 
-
-
 options = None
 
 main_c_file = os.path.join(build_dir, "main.c")
@@ -123,6 +122,7 @@ debug_data = {
 
 def main():
     print("Super Mega")
+    config.load()
 
     parser = argparse.ArgumentParser(description='SuperMega shellcode loader')
     parser.add_argument('--shellcode', type=str, help='The path to the file of your payload shellcode')
@@ -255,7 +255,7 @@ def verify_shellcode(shc_name):
     pathlib.Path(verify_filename).unlink(missing_ok=True)
 
     subprocess.run([
-        path_runshc,
+        config.get("path_runshc"),
         "{}".format(shc_name),
     ], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)  # , check=True
     time.sleep(SHC_VERIFY_SLEEP)