jq filter tips — authorized jq literacy

Last updated: · By the BinBench editorial team · Stars and releases checked via the GitHub API
For legal, authorized and educational use only. Only analyze software you own or have written permission to examine.
Quick answer

jq helps authorized labs filter short JSON artifacts they own. Pair with yq-yaml-tips, sponge-moreutils-tips, and timeout-cmd-tips.

On this page

Snapshot

FieldValue
Surfacejq tip checklist
JobAuthorized JSON-filter literacy
yq peeryq-yaml-tips
sponge peersponge-moreutils-tips
timeout peertimeout-cmd-tips

Tip checklist (authorized only)

  1. Confirm you may process the JSON (lab VM / your build / courseware).
  2. Record path, hash, filter sketch, and output shape in Evidence.
  3. Process only a short syllabus set — avoid unbounded dumps.
  4. Quote a few filtered fields; redact secrets.
  5. Prefer compact/raw flags intentionally so Evidence stays reproducible.
  6. Optional: rewrite safely with sponge-moreutils-tips.
  7. Optional: bound long runs with timeout-cmd-tips.
  8. Redact secrets, cookies, tokens, and home-directory paths before sharing.

Allowed framing

  • Classroom filters on student-written JSON fixtures you control.
  • Binding hash + filter sketch + short output quote.
  • Documenting "parse error / null" as valid lab outcomes.
  • Comparing jq ↔ yq under one binder.

Scope we will not cover

  • No crack/pirate/keygen of commercial apps via jq.
  • No scraping / exploit / ASLR-bypass PoCs via jq.
  • No credential-theft via JSON filters.
  • No unauthorized processing of third-party production data.

Beginner path (authorized only)

  1. Obtain one syllabus-approved JSON file you control.
  2. Run a short filter (e.g. keys / select); quote output.
  3. Hash + note filter; bind Evidence.
  4. Optional: compare with a yq query on YAML.
  5. Stop at literacy — no exploit cookbooks.
Which to pick
  • Prefer authorized, short-filter, redacted Evidence.
  • Use yq / sponge / timeout peers when the syllabus asks.
  • No exploit, crack, or credential-theft framing.

For legal, authorized and educational use only.

FAQ

What is a "jq filter tip" page in BinBench framing?

A checklist for filtering authorized JSON you own — not a cookbook for scraping secrets from hosts you do not control.

How does this relate to yq-yaml-tips?

yq-yaml-tips covers YAML. This page zooms on jq Evidence habits — it does not overwrite that page.

Can I jq data I do not own to steal credentials?

No. Authorization first. BinBench will not publish crack/bypass or credential-theft recipes.

Does this teach exploit / scraping / bypass PoCs via jq?

No. Mentions of exploit/bypass appear only as refusals. Authorized jq literacy only.

Does this teach credential theft via JSON filters?

No. Redact secrets, tokens, and PII in Evidence before sharing.

Sources