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AD foreign security principals in privileged groups

🗓️ 05 Mar 2026 18:54:26Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com

KittySploit scanner detects foreign security principals in AD privileged groups.

Refs
Code
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Detect Foreign Security Principals in privileged groups."""

from kittysploit import *
from lib.protocols.ldap.ad_client import Ad_client

class Module(Scanner, Ad_client):
    __info__ = {
        "name": "AD foreign security principals in privileged groups",
        "description": "Detects FSPs from trusted domains in sensitive local groups.",
        "author": ["KittySploit Team"],
        "severity": "high",
        "modules": [],
        "tags": ["ad", "ldap", "scanner", "fsp", "trust", "privileged"],
    'agent': {
        'risk': 'active',
        'effects': ['network_probe'],
        'expected_requests': 2,
        'reversible': True,
        'approval_required': False,
        'produces': ['tech_hints', 'risk_signals', 'endpoints'],
        'cost': 1.0,
        'noise': 0.5,
        'value': 1.0,
        'requires':         {'min_endpoints': 0,
         'min_params': 0,
         'tech_hints_any': [],
         'tech_hints_all': [],
         'specializations_any': [],
         'risk_signals_any': [],
         'auth_session': False,
         'capabilities_any': [],
         'capabilities_all': [],
         'confidence_min': {},
         'confidence_min_any': {},
         'endpoint_pattern_any': [],
         'param_any': [],
         'api_surface_ready': False},
        'chain':         {'produces_capabilities': [{'capability': 'ssrf_primitive', 'from_detail': ''}, {'capability': 'db_access', 'from_detail': ''}],
         'consumes_capabilities': [],
         'option_bindings': {},
         'suggested_followups': []},
    },
    }

    def run(self):
        base = self.base_dn
        if not base:
            return False
        sensitive = [
            f"CN=Domain Admins,CN=Users,{base}",
            f"CN=Enterprise Admins,CN=Users,{base}",
            f"CN=Schema Admins,CN=Users,{base}",
            f"CN=Administrators,CN=Builtin,{base}",
            f"CN=Account Operators,CN=Builtin,{base}",
            f"CN=Backup Operators,CN=Builtin,{base}",
            f"CN=Server Operators,CN=Builtin,{base}",
            f"CN=Group Policy Creator Owners,CN=Users,{base}"]
        fsp_base = f"CN=ForeignSecurityPrincipals,{base}"
        fsps = self.search("(objectClass=foreignSecurityPrincipal)", ["cn", "memberOf"], base=fsp_base)
        hits = []
        for fsp in fsps:
            groups = self.attr_list(fsp, "memberOf")
            sid = self.attr_str(fsp, "cn")
            for gdn in groups:
                if any(gdn.upper() == s.upper() for s in sensitive):
                    res = self.resolve_sid(sid)
                    hits.append(f"{res} -> privileged group")
        if not hits:
            return False
        self.set_info(severity="high", reason=f"{len(hits)} FSP(s) in privileged groups: {'; '.join(hits[:6])}")
        return True

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05 Aug 2026 13:34Current
5.8Medium risk
Vulners AI Score5.8
0