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Stabilizing DREI
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@@ -10,6 +10,7 @@ import re
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from lib.core.data import kb
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from lib.core.enums import PRIORITY
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from lib.core.datatype import OrderedSet
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__priority__ = PRIORITY.NORMAL
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@@ -28,13 +29,13 @@ def tamper(payload, **kwargs):
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>>> random.seed(0)
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>>> tamper('1 UNION SELECT foobar')
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'1 UNION SELECT foobar'
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'1 UNION SELECT foobar'
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"""
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retVal = payload
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if payload:
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words = set()
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words = OrderedSet()
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for match in re.finditer(r"\b[A-Za-z_]+\b", payload):
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word = match.group()
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@@ -43,7 +44,7 @@ def tamper(payload, **kwargs):
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words.add(word)
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for word in words:
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retVal = re.sub(r"(?<=\W)%s(?=[^A-Za-z_(]|\Z)" % word, "%s%s%s" % (' ' * random.randrange(1, 4), word, ' ' * random.randrange(1, 4)), retVal)
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retVal = re.sub(r"(?<=\W)%s(?=[(])" % word, "%s%s" % (' ' * random.randrange(1, 4), word), retVal)
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retVal = re.sub(r"(?<=\W)%s(?=[^A-Za-z_(]|\Z)" % word, "%s%s%s" % (' ' * random.randint(1, 4), word, ' ' * random.randint(1, 4)), retVal)
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retVal = re.sub(r"(?<=\W)%s(?=[(])" % word, "%s%s" % (' ' * random.randint(1, 4), word), retVal)
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return retVal
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