nebbia 1.0.0

LDAP filter obfuscation tool

nebbia

LDAP filter obfuscation tool.
Analyze the filter using Abstract Syntax Tree, applies structural transformation and return an equivalent query. Useful for sneaky query to the Domain Controller or edit tools that queries against the domain (like Certipy).

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Installation

pip install nebbia

dev:

git clone https://github.com/Fasertio/nebbia
cd nebbia
pip install -e ".[dev]"

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Library usage

from nebbia import obfuscate, parse, serialize

query  = "(&(objectClass=person)(uid=jdoe)(!(locked=true)))"
result = obfuscate(query)
print(result)
# es: (&((!(!(\75Id=\6A\64\6F\65))))(oBjEcTcLaSs=\70\65\72son)(!(loCkeD=true)))

r1 = obfuscate(query, seed=42)
r2 = obfuscate(query, seed=42)
assert r1 == r2

from nebbia import parse, serialize, NodeType

ast = parse("(sAMAccountName=krbtgt)")
print(ast)
# ASTNode(FILTER, 'sAMAccountName'='krbtgt')

ast.value = "administrator"
print(serialize(ast))
# (sAMAccountName=administrator)

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CLI

#single query
nebbia "(uid=jdoe)"

#multiple
nebbia "(&(uid=admin)(objectClass=person))" --count 3

#deterministic output
nebbia "(cn=krbtgt)" --seed 42

#disable ANSI color
nebbia "(uid=test)" --no-color

#stdin
echo "(uid=admin)" | nebbia

#python module
python -m nebbia "(uid=jdoe)" --count 2

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License

MIT