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https://github.com/SHOGGOTH-SECTOR/sica-fondt.git
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Place useful parts of the surrounding repos into sica-fondt by layer, per the
body model (Ada = membrane; brain/endocrine/capabilities/knowledge non-Ada):
- brain/ LLM reasoning + providers (dapr, hermes, MoMoA)
- capabilities/ REPRAG sidecars: hermes tools/skills, dapr tools, parallel
dispatch, A51 channels, and the OSINT cluster
- knowledge/ LORAG corpus: 754 cyber-skills, agency personas, secure-coding,
MITRE ATT&CK data
- reference/ defensive threat-reference (C3, shhbruh doc) + AdaYaml parser
License handling: AGPL sources (worldosint, advanced_evolution, mercury,
Reticulum) and GPL DeTTECT are SPEC-only clean-room/port descriptions — no
copyleft code copied. MIT/Apache/data parts copied as working trees.
Safety: shhbruh escape/persistence material and C3 covert-C2 kept as reference
only, not wired into the running organism. See CONSOLIDATION.md.
https://claude.ai/code/session_01UehUqEXXJJCsHoA4voCU5c
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3.0 KiB
Detailed Hunting Workflow - DCSync Attack Detection
Phase 1: Enumerate Legitimate Replication Accounts
Step 1.1 - List All Domain Controllers
Get-ADDomainController -Filter * | Select-Object Name, IPv4Address, OperatingSystem
Step 1.2 - Find Accounts with Replication Rights
# Find all accounts with Replicating Directory Changes
Import-Module ActiveDirectory
$rootDSE = Get-ADRootDSE
$domainDN = $rootDSE.defaultNamingContext
$acl = Get-Acl "AD:\$domainDN"
$acl.Access | Where-Object {
$_.ObjectType -eq "1131f6ad-9c07-11d1-f79f-00c04fc2dcd2" -or
$_.ObjectType -eq "1131f6aa-9c07-11d1-f79f-00c04fc2dcd2"
} | Select-Object IdentityReference, ActiveDirectoryRights, ObjectType
Step 1.3 - BloodHound Query for DCSync Rights
MATCH p=(n)-[:GetChanges|GetChangesAll]->(d:Domain)
WHERE NOT n:Domain
RETURN n.name, labels(n)
Phase 2: Deploy Detection
Step 2.1 - Enable Required Audit Policy
auditpol /set /subcategory:"Directory Service Access" /success:enable /failure:enable
Step 2.2 - Configure SACL on Domain Object
Apply SACL to the domain root object monitoring for:
- Control Access rights
- Access to Replication GUIDs
- By Everyone or Authenticated Users
Phase 3: Active Monitoring
Step 3.1 - Splunk Real-Time Detection
index=wineventlog source="WinEventLog:Security" EventCode=4662
| rex field=Properties "(?<guid>\{[0-9a-f-]+\})"
| where guid IN ("{1131f6aa-9c07-11d1-f79f-00c04fc2dcd2}",
"{1131f6ad-9c07-11d1-f79f-00c04fc2dcd2}",
"{89e95b76-444d-4c62-991a-0facbeda640c}")
| lookup dc_accounts SubjectUserName OUTPUT is_dc
| where is_dc!="true"
| eval alert_severity="CRITICAL"
| table _time SubjectUserName SubjectDomainName Computer guid alert_severity
Step 3.2 - Network-Level Detection
index=zeek sourcetype=dce_rpc
| where operation="DRSGetNCChanges"
| lookup domain_controllers src_ip OUTPUT is_dc
| where is_dc!="true"
| table _time src_ip dst_ip operation
Phase 4: Investigation
Step 4.1 - Determine Source Machine
Correlate Event 4662 with Event 4624 to identify the source workstation:
index=wineventlog EventCode=4624 LogonType=3
| where TargetUserName=[suspected_account]
| table _time TargetUserName IpAddress WorkstationName LogonType
Step 4.2 - Check for Subsequent Credential Abuse
index=wineventlog EventCode=4769
| where ServiceName="krbtgt"
| where TicketEncryptionType="0x17"
| table _time TargetUserName ServiceName IpAddress TicketEncryptionType
Phase 5: Response
Step 5.1 - Immediate Containment
- Disable compromised account immediately
- Rotate KRBTGT password (twice, 12 hours apart)
- Reset all service account passwords
- Block source IP at network level
- Isolate source machine for forensics
Step 5.2 - Remediation
- Remove unauthorized replication rights
- Review all accounts with DCSync-capable permissions
- Implement tiered administration model
- Enable Microsoft Defender for Identity DCSync alerts
- Deploy Protected Users security group for admin accounts