mirror of
https://github.com/dobin/SuperMega
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Dobin
76 lines
1.8 KiB
Python
76 lines
1.8 KiB
Python
from typing import Dict
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import pehelper
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import pefile
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class Capability():
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def __init__(self, name):
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self.name = name
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self.id: bytes = b""
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self.addr: int = 0
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def __str__(self):
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return "0x{:X}: {} ({})".format(
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self.addr,
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self.name,
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self.id
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)
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class ExeCapabilities():
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def __init__(self, capabilities):
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self.capabilities: Dict[str, Capability] = {}
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self.image_base = 0
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self.text_virtaddr = 0
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for cap in capabilities:
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self.capabilities[cap] = Capability(cap)
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def parse_from_exe(self, filepath):
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pe = pefile.PE(filepath)
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# image base
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self.image_base = pe.OPTIONAL_HEADER.ImageBase
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# .text virtual address
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for section in pe.sections:
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if section.Name.decode().rstrip('\x00') == '.text':
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self.text_virtaddr = section.VirtualAddress
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# iat
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iat = pehelper.extract_iat(pe)
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for _, cap in self.capabilities.items():
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cap.addr = pehelper.get_addr_for(iat, cap.name)
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def get(self, func_name):
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if not func_name in self.capabilities:
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return None
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if self.capabilities[func_name].addr == 0:
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return None
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return self.capabilities[func_name]
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def get_all(self) -> Dict[str, Capability]:
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return self.capabilities
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def has_all(self):
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needs = [ 'GetEnvironmentVariableW', 'VirtualAlloc']
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for need in needs:
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if not need in self.capabilities:
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return False
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if self.capabilities[need].addr == 0:
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return False
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return True
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def print(self):
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print("--( Capabilities: ")
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for _, cap in self.capabilities.items():
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print(" " + str(cap)) |