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SecTor 2025 | Investigate & Respond to Attacks on GenAI Chatbots

YouTube-Video: Author: Black Hat - Bewertung: 1x - Views:29 It's coming, and you aren't ready—your first generative AI chatbot incident. GenAI chatbots…

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Author: Black Hat - Bewertung: 1x - Views:29

It's coming, and you aren't ready—your first generative AI chatbot incident. GenAI chatbots, leveraging LLMs, are revolutionizing customer engagement by providing real-time, automated 24/7 chat support. But when your company's virtual agent starts responding inappropriately to requests and handing out customer PII to anyone who asks nicely, who are they going to call? You.



You've seen the cool prompt injection attack demos and may even be vaguely aware of preventions like LLM guardrails; but are you ready to investigate and respond when those preventions inevitably fail? Would you even know where to start? It's time to connect traditional investigation and response procedures with the exciting new world of GenAI chatbots.



In this talk, you'll learn how to investigate and respond to the unique threats targeting these systems. You'll discover new methods for isolating attacks, gathering information, and getting to the root cause of an incident using AI defense tooling and LLM guardrails. You'll come away from this talk with a playbook for investigating and responding to this new class of GenAI incidents and the preparation steps you'll need to take before your company's chatbot responses start going viral—for the wrong reasons.



By: Allyn Stott | Senior Staff Engineer, Airbnb



Presentation Materials Available at:

https://blackhat.com/sector/2025/briefings/schedule/?#tinker-tailor-llm-spy-investigate--respond-to-attacks-on-genai-chatbots-47094

1. Sofort-Triage & Abwehrmaßnahmen

SOC Incident Playbook: Vulnerability Remediation & Verification
Syntax validiert (0 Fehler)
title: Detect Exploitation - SecTor 2025 | Investigate & Respond to Attacks on GenAI Chatbots
id: a270870a-2ddc-4289-b502-5c91ea0aff05
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-26
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access
Syntax validiert (0 Fehler)
rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-26"
        description = "YARA Signature for "
    strings:
        $str = "SecTor 2025 | Investigate & Re" ascii wide
    condition:
        any of them
}
Syntax validiert (0 Fehler)
index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("SecTor 2025  Investigate  Respond to Att")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - count
Syntax validiert (0 Fehler)
message: "*SecTor 2025  Investigate  Respond to Att*"
Syntax validiert (0 Fehler)
CommonSecurityLog
| where Message has "SecTor 2025  Investigate  Respond to Att"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

2. Cyber Threat Intelligence & Forensik

🎯
MITRE ATT&CK Matrix Navigator 14 Taktiken
Reconnaissance
-
Resource Development
-
Initial Access
Execution
Persistence
-
Privilege Escalation
Defense Evasion
Credential Access
-
Discovery
-
Lateral Movement
-
Collection
-
Command and Control
Exfiltration
-
Impact
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:

Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich SecTor 2025 | Investigate & Respond to A.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.

🛡️ Angriffsfläche & Exposure

Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.

⚡ Empfohlene Sofortmaßnahmen
  • 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
  • 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
  • 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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