NetExec/nxc/modules/enum_trusts.py

87 lines
4.1 KiB
Python

from impacket.ldap import ldapasn1 as ldapasn1_impacket
class NXCModule:
"""
Extract all Trust Relationships, Trusting Direction, and Trust Transitivity
Module by Brandon Fisher @shad0wcntr0ller
"""
name = "enum_trusts"
description = "Extract all Trust Relationships, Trusting Direction, and Trust Transitivity"
supported_protocols = ["ldap"]
opsec_safe = True
multiple_hosts = True
def options(self, context, module_options):
pass
def on_login(self, context, connection):
search_filter = "(&(objectClass=trustedDomain))"
attributes = ["flatName", "trustPartner", "trustDirection", "trustAttributes"]
context.log.debug(f"Search Filter={search_filter}")
resp = connection.ldapConnection.search(searchFilter=search_filter, attributes=attributes, sizeLimit=0)
trusts = []
context.log.debug(f"Total of records returned {len(resp)}")
for item in resp:
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
continue
flat_name = ""
trust_partner = ""
trust_direction = ""
trust_transitive = []
try:
for attribute in item["attributes"]:
if str(attribute["type"]) == "flatName":
flat_name = str(attribute["vals"][0])
elif str(attribute["type"]) == "trustPartner":
trust_partner = str(attribute["vals"][0])
elif str(attribute["type"]) == "trustDirection":
if str(attribute["vals"][0]) == "1":
trust_direction = "Inbound"
elif str(attribute["vals"][0]) == "2":
trust_direction = "Outbound"
elif str(attribute["vals"][0]) == "3":
trust_direction = "Bidirectional"
elif str(attribute["type"]) == "trustAttributes":
trust_attributes_value = int(attribute["vals"][0])
if trust_attributes_value & 0x1:
trust_transitive.append("Non-Transitive")
if trust_attributes_value & 0x2:
trust_transitive.append("Uplevel-Only")
if trust_attributes_value & 0x4:
trust_transitive.append("Quarantined Domain")
if trust_attributes_value & 0x8:
trust_transitive.append("Forest Transitive")
if trust_attributes_value & 0x10:
trust_transitive.append("Cross Organization")
if trust_attributes_value & 0x20:
trust_transitive.append("Within Forest")
if trust_attributes_value & 0x40:
trust_transitive.append("Treat as External")
if trust_attributes_value & 0x80:
trust_transitive.append("Uses RC4 Encryption")
if trust_attributes_value & 0x100:
trust_transitive.append("Cross Organization No TGT Delegation")
if trust_attributes_value & 0x2000:
trust_transitive.append("PAM Trust")
if not trust_transitive:
trust_transitive.append("Other")
trust_transitive = ", ".join(trust_transitive)
if flat_name and trust_partner and trust_direction and trust_transitive:
trusts.append((flat_name, trust_partner, trust_direction, trust_transitive))
except Exception as e:
context.log.debug(f"Cannot process trust relationship due to error {e}")
if trusts:
context.log.success("Found the following trust relationships:")
for trust in trusts:
context.log.highlight(f"{trust[1]} -> {trust[2]} -> {trust[3]}")
else:
context.log.display("No trust relationships found")
return True