refactor: templater

This commit is contained in:
Dobin
2024-02-16 09:13:28 +00:00
parent 7d6e726fab
commit a0fd2ecc1e
4 changed files with 41 additions and 30 deletions
+11 -1
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@@ -1,10 +1,13 @@
from enum import Enum
import os
class FilePath(str):
pass
# Correlated with real template files
# in plugins/
class AllocStyle(Enum):
RWX = "rwx_1"
#RW_X = "rw_x"
@@ -28,3 +31,10 @@ class SourceStyle(Enum):
peb_walk = 1
iat_reuse = 2
build_dir = "build"
main_c_file = os.path.join(build_dir, "main.c")
main_asm_file = os.path.join(build_dir, "main.asm")
main_exe_file = os.path.join(build_dir, "main.exe")
main_shc_file = os.path.join(build_dir, "main.bin")
-5
View File
@@ -1,13 +1,8 @@
import pefile
import pprint
import logging
from model import *
from helper import *
from config import config
from observer import observer
from project import project
from helper import *
from pehelper import *
logger = logging.getLogger("Assembler")
+23 -18
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@@ -4,14 +4,13 @@ import shutil
import logging
from helper import *
from config import config
from project import project
from model import *
from observer import observer
from defs import *
use_templates = True
logger = logging.getLogger("Assembler")
# INPUT:
# plugins/
# source/
@@ -19,26 +18,30 @@ logger = logging.getLogger("Assembler")
# Output:
# build/main.c
# build/*.h
def create_c_from_template():
def create_c_from_template(
source_style: SourceStyle,
alloc_style: AllocStyle,
exec_style: ExecStyle,
decoder_style: DecoderStyle,
build_dir: FilePath,
):
plugin_allocator = ""
plugin_decoder = ""
plugin_executor = ""
with open("plugins/allocator/rwx_1.c", "r", encoding='utf-8') as file:
filepath = "plugins/allocator/{}.c".format(alloc_style.value)
with open(filepath, "r", encoding='utf-8') as file:
plugin_allocator = file.read()
if project.decoder_style == DecoderStyle.PLAIN_1:
with open("plugins/decoder/plain_1.c", "r", encoding='utf-8') as file:
plugin_decoder = file.read()
elif project.decoder_style == DecoderStyle.XOR_1:
with open("plugins/decoder/xor_1.c", "r", encoding='utf-8') as file:
filepath = "plugins/decoder/{}.c".format(decoder_style.value)
with open(filepath, "r", encoding='utf-8') as file:
plugin_decoder = file.read()
filepath = "plugins/executor/{}.c".format(exec_style.value)
with open("plugins/executor/direct_1.c", "r", encoding='utf-8') as file:
plugin_executor = file.read()
if project.source_style == SourceStyle.peb_walk:
if source_style == SourceStyle.peb_walk:
if use_templates:
with open("source/peb_walk/template.c", 'r', encoding='utf-8') as file:
template_content = file.read()
@@ -50,17 +53,19 @@ def create_c_from_template():
'plugin_decoder': plugin_decoder,
'plugin_executor': plugin_executor,
})
with open("build/main.c", "w", encoding='utf-8') as file:
with open(main_c_file, "w", encoding='utf-8') as file:
file.write(rendered_template)
observer.add_text("main_c_rendered", rendered_template)
shutil.copy("source/peb_walk/peb_lookup.h", "build/peb_lookup.h")
# TODO PEB
shutil.copy("source/peb_walk/peb_lookup.h", "build/peb_lookup.h")
else:
observer.add_text("main_c", file_readall_text("source/peb_walk/main.c"))
shutil.copy("source/peb_walk/main.c", "build/main.c")
shutil.copy("source/peb_walk/main.c", main_c_file)
# TODO PEB
shutil.copy("source/peb_walk/peb_lookup.h", "build/peb_lookup.h")
elif project.source_style == SourceStyle.iat_reuse:
elif source_style == SourceStyle.iat_reuse:
if use_templates:
with open("source/iat_reuse/template.c", 'r', encoding='utf-8') as file:
template_content = file.read()
@@ -71,9 +76,9 @@ def create_c_from_template():
'plugin_decoder': plugin_decoder,
'plugin_executor': plugin_executor,
})
with open("build/main.c", "w", encoding='utf-8') as file:
with open(main_c_file, "w", encoding='utf-8') as file:
file.write(rendered_template)
observer.add_text("main_c_rendered", rendered_template)
else:
observer.add_text("main_c", file_readall_text("source/iat_reuse/main.c"))
shutil.copy("source/iat_reuse/main.c", "build/main.c")
shutil.copy("source/iat_reuse/main.c", main_c_file)
+7 -6
View File
@@ -17,11 +17,6 @@ import phases.injector
from observer import observer
from project import project
main_c_file = os.path.join(project.build_dir, "main.c")
main_asm_file = os.path.join(project.build_dir, "main.asm")
main_exe_file = os.path.join(project.build_dir, "main.exe")
main_shc_file = os.path.join(project.build_dir, "main.bin")
# ANSI escape sequences for colors
class LogColors:
@@ -163,7 +158,13 @@ def start():
logger.warning("--[ SourceStyle: {}".format(project.source_style.name))
# Copy: loader C files into working directory: build/
phases.templater.create_c_from_template()
phases.templater.create_c_from_template(
source_style = project.source_style,
alloc_style = project.alloc_style,
exec_style = project.exec_style,
decoder_style= project.decoder_style,
build_dir = project.build_dir,
)
# Convert: C -> ASM
if project.generate_asm_from_c: