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Fix detections: Give call_function cache an unpredictable name.

This commit is contained in:
lukect 2023-02-03 00:16:45 +00:00
parent 96b28e978d
commit 3d28e49b26
1 changed files with 9 additions and 1 deletions
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10
undetected_chromedriver/patcher.py
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@ -225,13 +225,21 @@ class Patcher(object):
start = time.time() start = time.time()
def gen_js_whitespaces(match): def gen_js_whitespaces(match):
return b" " * len(match.group()) return b"\n" * len(match.group())
def gen_call_function_js_cache_name(match):
rep_len = len(match.group()) - 3
ran_len = random.randint(6, rep_len)
bb = b"'" + bytes(str().join(random.choices(population=string.ascii_letters, k=ran_len)), 'ascii') + b"';" \
+ (b"\n" * (rep_len - ran_len))
return bb
with io.open(self.executable_path, "r+b") as fh: with io.open(self.executable_path, "r+b") as fh:
file_bin = fh.read() file_bin = fh.read()
file_bin = re.sub(b"window\.cdc_[a-zA-Z0-9]{22}_(Array|Promise|Symbol) = window\.(Array|Promise|Symbol);", file_bin = re.sub(b"window\.cdc_[a-zA-Z0-9]{22}_(Array|Promise|Symbol) = window\.(Array|Promise|Symbol);",
gen_js_whitespaces, file_bin) gen_js_whitespaces, file_bin)
file_bin = re.sub(b"window\.cdc_[a-zA-Z0-9]{22}_(Array|Promise|Symbol) \|\|", gen_js_whitespaces, file_bin) file_bin = re.sub(b"window\.cdc_[a-zA-Z0-9]{22}_(Array|Promise|Symbol) \|\|", gen_js_whitespaces, file_bin)
file_bin = re.sub(b"'\\$cdc_[a-zA-Z0-9]{22}_';", gen_call_function_js_cache_name, file_bin)
fh.seek(0) fh.seek(0)
fh.write(file_bin) fh.write(file_bin)