llm-security/tests/fixtures/posture-scan/grade-a-project/hooks/scripts/pre-prompt-inject-scan.mjs
Kjell Tore Guttormsen f153f969a0 feat(ultraplan-local): v1.6.0 — /ultraresearch-local deep research command
Add /ultraresearch-local for structured research combining local codebase
analysis with external knowledge via parallel agent swarms. Produces research
briefs with triangulation, confidence ratings, and source quality assessment.

New command: /ultraresearch-local with modes --quick, --local, --external, --fg.
New agents: research-orchestrator (opus), docs-researcher, community-researcher,
security-researcher, contrarian-researcher, gemini-bridge (all sonnet).
New template: research-brief-template.md.

Integration: --research flag in /ultraplan-local accepts pre-built research
briefs (up to 3), enriches the interview and exploration phases. Planning
orchestrator cross-references brief findings during synthesis.

Design principle: Context Engineering — right information to right agent at
right time. Research briefs are structured artifacts in the pipeline:
ultraresearch → brief → ultraplan --research → plan → ultraexecute.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-08 08:58:35 +02:00

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1.1 KiB
JavaScript

#!/usr/bin/env node
// pre-prompt-inject-scan.mjs — Scan user input for prompt injection
// v5.0: MEDIUM advisory support + Unicode Tag steganography detection
import { readFileSync } from 'node:fs';
const input = JSON.parse(readFileSync('/dev/stdin', 'utf-8'));
const text = input.message || '';
// Unicode Tag detection (U+E0001-E007F)
const UNICODE_TAG_RE = /[\u{E0001}-\u{E007F}]/u;
if (UNICODE_TAG_RE.test(text)) {
process.stdout.write(JSON.stringify({ decision: 'block', reason: 'Unicode Tag steganography detected' }));
process.exit(0);
}
// Critical/High injection patterns
const INJECTION_RE = /ignore\s+(all\s+)?previous|system\s*:\s*you\s+are|<\|im_sep\|>/i;
if (INJECTION_RE.test(text)) {
process.stdout.write(JSON.stringify({ decision: 'block', reason: 'Prompt injection detected' }));
process.exit(0);
}
// MEDIUM patterns — advisory only, never block
const MEDIUM_RE = /[\u0410-\u044F]|l33t|h0m0glyph|z3r0.?w1dth/i;
if (MEDIUM_RE.test(text)) {
process.stderr.write('SECURITY ADVISORY: MEDIUM obfuscation signals detected.\n');
}
process.stdout.write(JSON.stringify({ decision: 'allow' }));