refactor: payload data into project

This commit is contained in:
Dobin
2024-02-16 10:48:35 +00:00
parent 60e5065938
commit 5798c90b9c
3 changed files with 29 additions and 19 deletions
+15 -10
View File
@@ -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)