0549a3fa28
- CHANGELOG.md: detail every B0.1..B0.8 deliverable + spec deltas D-008 (ttp_version coexists), D-009 (audit hash chain v1), D-010 (no type_annotation_map on declarative base). - tasks/todo.md: tick every B0.x item. - tasks/spec-decisions.md: log D-008, D-009, D-010 alongside the pre-existing D-001..D-007.
63 lines
3.6 KiB
Markdown
63 lines
3.6 KiB
Markdown
# Changelog
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All notable changes to Mimic. Format inspired by [Keep a Changelog](https://keepachangelog.com).
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Versioning starts at `0.1.0` when sprint 0 lands.
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## [Unreleased]
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### Team decisions (2026-05-21)
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- **Q1** — SOC client collaboration in the live cockpit is assumed valid (no PoC sheet).
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- **Q2** — Mimic is deployed on RT infrastructure (not at client). SOC client connects over
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the internet through the existing RT reverse proxy (out of Mimic scope).
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- **Q3** — Project framed as "improve the existing shared sheet workflow", not "rebuild Caldera".
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- **T2** — C2 credentials stored in a dedicated `c2_credential` table with version + retirement
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(Fernet-encrypted `config_json`). Active row per engagement = `retired_at IS NULL`, max version.
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- **T3** — Jinja templating exposes two accessors: `{{outputs.text}}` (stdout) and
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`{{outputs.blob("key")}}` (binary, 10 MB cap, UTF-8 with latin-1 fallback).
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- **T4** — `soc_session.token_opaque` stores a bcrypt hash; the clear token is delivered
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out-of-band and never re-displayable.
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- **Auth** — v1: local user/password (bcrypt + Flask session). v2: Keycloak OIDC mapping
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onto the same group model. RBAC is group-based from day one.
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### Sprint 0 in progress
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Repo skeleton, data model, `C2Connector` ABC, Jinja2 sandbox, local auth + RBAC, flat CRUD,
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UX wireframes (mock data). No real connector, no reporting until PR1/PR2/PR3 land.
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#### Backend skeleton (`feature/backend-skeleton`)
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- `backend/` Python 3.12+ project: `pyproject.toml` (ruff, mypy strict, pytest, coverage 70 %),
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`Makefile` (Docker/Podman auto-detect), multi-stage `Dockerfile`, `docker-compose.yml` for
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Postgres dev DB, `.env.example`.
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- Full §8 data model in SQLAlchemy 2 typed mapped classes: `engagement`, `c2_credential`,
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`host`, `user`, `group`, `group_permission`, `user_group`, `engagement_member`, `ttp`,
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`ttp_version`, `scenario`, `scenario_step`, `run`, `run_step`, `run_step_cleanup`,
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`detection`, `evidence`, `report`, `soc_session`, `audit_log`.
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- Alembic baseline migration `202605210001_initial_schema`: every table + enum + index +
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idempotent `audit_log` grants for the write-only Postgres role.
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- `C2Connector` ABC + `Payload` / `TaskHandle` / `TaskResult` / `TaskStatus` dataclasses +
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`PayloadType` enum + `ConnectorFactory` keyed on `c2_type`. Mythic payload map populated;
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Home stays empty until PR2.
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- Jinja2 `SandboxedEnvironment` + `regex_extract` filter (google-re2 with `re` fallback) +
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`{{ outputs.text }}` / `{{ outputs.blob() }}` accessors (10 MB cap, UTF-8 → latin-1).
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- Group-based RBAC: `Permission` + `GroupName` + `GROUP_PERMISSIONS` mirror the F11 matrix;
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`@require_perm` decorator + `AuthUser` Flask-Login wrapper that resolves the permission set
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from the user's groups.
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- bcrypt password helpers + SOC opaque token (256-bit url-safe, bcrypt-hashed at rest, plain
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returned once).
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- Hash-chained append-only audit writer (sprint 0 fills `prev_hash` / `row_hash` at insert;
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verifier shipped in v2).
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- Flat CRUD blueprints: engagements / hosts / TTPs / scenarios + scenario steps. F3 invariant
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enforced (host.c2_type must match scenario.c2_type at compose time).
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- `mimic-cli` (click): `user create`, `db dump`, `db restore`.
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- pytest baseline: **38 unit tests passing**, integration scaffold ready for testcontainers
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Postgres (`/healthz` smoke included).
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#### Spec deltas applied in this sprint
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- **D-008** `ttp_version` table re-introduced alongside `run.snapshot_json` (overrides H32).
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- **D-009** `audit_log` hash chain (`prev_hash` / `row_hash`) shipped v1.
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- **D-010** UUID columns use SQLAlchemy 2 native `Uuid` mapping; no `type_annotation_map` on
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the declarative base (Flask-SQLAlchemy incompatibility).
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