CHAIN: Predictive Adversary Chaining Simulator

$59.00

CHAIN: Predictive Adversary Chaining Simulator

Incident Response UtilitiesSecurity Tools

CHAIN predicts how an attacker moves next. Feed it a known adversary action — a phishing email, an exploited service, stolen credentials — and it chains the most likely follow-up MITRE ATT&CK techniques into a full attack path, scored, with procedures and detection guidance for each step. Built on the Unified Kill Chain and MITRE ATT&CK. Windows desktop app, no admin rights required.

Tags: adversary emulation CALDERA cybersecurity MITRE ATT&CK purple team red team threat detection
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Description

Predict the next move, not just the last one

CHAIN is an adversary emulation planner for red teams, purple teams, and detection engineers. Give it a known or suspected attacker action, and it predicts the most probable next steps a competent adversary would take to advance the intrusion — technique by technique, the way a MITRE ATT&CK / CALDERA-style emulation plan chains TTPs together.

Every prediction is a real ATT&CK technique with a likelihood score, a concrete procedure (“how”), and detection guidance (“what to hunt for”) — not a black-box guess.

What it does

  • Seed from anything — free text (“phishing attachment to finance”) or a raw technique ID (T1003.001).
  • Predicts ranked next steps — the most probable follow-up ATT&CK techniques, scored 0–100.
  • Chains interactively — click a predicted action to commit it and reveal its own follow-ups, building an explorable branching attack-path tree in real time.
  • Grounds every step in ATT&CK — technique ID, tactic, procedure, detection guidance, and data sources.
  • Generates a full narrative report — the single most likely end-to-end path from initial foothold to objective, written for both leadership (plain-language, business-impact) and analysts (technical narrative), with an overall confidence score. Export to PDF or Markdown.

How predictions work

CHAIN blends two signals: a deterministic MITRE ATT&CK-grounded prior (kill-chain position + documented technique adjacency) with LLM reasoning that reads the path so far and your environment context to predict realistic, environment-aware follow-ups. Both scores are shown — nothing is hidden.

Runs fully offline in deterministic rules-only mode with no API key. Add an Anthropic API key for environment-aware reasoning, richer procedures, and broader technique coverage.

Who it’s for

  • Red teams building CALDERA/Atomic-style emulation plans
  • Purple teams mapping detection coverage to likely attacker paths
  • Detection engineers prioritizing what to hunt for next
  • Security leadership who need a plain-language “what happens if” narrative

What’s included

  • Windows installer (per-user, no admin rights required)
  • Runs entirely on your local machine — your environment context never leaves it except to the LLM provider you configure
  • Full MITRE ATT&CK technique catalog and Unified Kill Chain mapping

Requirements

  • Windows 10/11
  • Optional: an Anthropic API key for hybrid (LLM-enhanced) mode

CHAIN is a planning and decision-support tool for authorized red-team emulation and defensive hunting. Predicted branches are hypotheses to guide emulation and detection — not ground truth.

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