BASH / LOCAL SCRIPTING LOCAL SCRIPT REPLAY ●
# Local synthetic fixture · illustrative script replay
analyst@local:~/security-lab$ pwd
/home/analyst/security-lab
analyst@local:~/security-lab$ find fixtures scripts -maxdepth 1 -type f -print
fixtures/auth-events.jsonl
fixtures/README.md
scripts/auth-triage.sh
analyst@local:~/security-lab$ sed -n '1,20p' scripts/auth-triage.sh
#!/usr/bin/env bash
set -euo pipefail
events="${1:-fixtures/auth-events.jsonl}"
test -r "$events" || { printf 'fixture unavailable\n' >&2; exit 1; }
jq -r 'select(.event == "login_failed") | .src_ip' "$events" \
| sort | uniq -c | sort -nr
analyst@local:~/security-lab$ ./scripts/auth-triage.sh fixtures/auth-events.jsonl
14 192.0.2.18
3 198.51.100.7
analyst@local:~/security-lab$ jq -r '.event' fixtures/auth-events.jsonl | sort | uniq -c
17 login_failed
6 login_success
analyst@local:~/security-lab$ python3 - <<'PY'
import json
from collections import Counter
from pathlib import Path
rows = map(json.loads, Path("fixtures/auth-events.jsonl").read_text().splitlines())
counts = Counter(row["src_ip"] for row in rows if row.get("event") == "login_failed")
print({ip: n for ip, n in counts.items() if n >= 5})
PY
{'192.0.2.18': 14}
analyst@local:~/security-lab$ printf '%s\n' 'Review source events before escalating.'
Review source events before escalating.
analyst@local:~/security-lab$ cat fixtures/README.md
Synthetic authentication events for a local training exercise.
Documentation addresses only: 192.0.2.0/24 and 198.51.100.0/24.
No production identities or systems are represented.
analyst@local:~/security-lab$ printf '%s\n' 'Threshold reached; verify context and scope.'
Threshold reached; verify context and scope.
Δ0Ω3 Ж6 Ш9▓Λ2Σ5 Ш9▓Λ / Ж6Ш9▓Λ2Σ / Ω3Ж6Ш9▓ Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц · 8▒Ξ1Ψ4Ф 7░Δ0Ω3Ж 6Ш9▓Λ2Σ5
7░Δ0Ω3Ж6Ш 4Ф7░Δ0Ω3Ж 6Ш9▓Λ2Σ5 Ц 8▒Ξ1Ψ4 Ф7░Δ0Ω3Ж6: Ш9▓ Λ2Σ5Ц 8▒ Ξ1Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ2, Σ5Ц8▒Ξ 1Ψ4Ф7░Δ0, Ω3Ж 6Ш9▓ Λ2Σ5Ц8▒ Ξ1Ψ4Ф7░Δ 0Ω3Ж6Ш9▓Λ. 2Σ 5Ц8▒ Ξ1Ψ4Ф7 ░Δ0Ω3Ж6Ш 9▓Λ 2Σ5Ц8▒Ξ1Ψ 4Ф7░Δ0Ω3Ж, 6Ш9▓ Λ2 Σ5Ц8 ▒Ξ1Ψ4Ф7░ Δ0 Ω3Ж6Ш.
1Ψ4Ф7░Δ0Ω 3Ж6Ш9 ▓Λ 2 Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ2Σ. 5Ц8 ▒Ξ1Ψ4Ф7 ░Δ0Ω3Ж 6Ш9▓Λ2Σ5Ц 8▒ Ξ 1Ψ4Ф7 ░Δ0Ω3Ж6 Ш9▓Λ2Σ5, Ц8▒ Ξ 1Ψ4Ф7░Δ0 Ω3 Ж6Ш9▓Λ2Σ5Ц8▒ Ξ1Ψ4Ф7░Δ0 Ω3Ж6Ш9▓.
▒Ξ1Ψ4Ф7░Δ0 Ω3Ж6Ш9▓ Λ2Σ5Ц8▒ Ц8▒Ξ1Ψ4 Ф7░Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц 8▒ Ξ1Ψ4Ф7░Δ0Ω3 · Ж6Ш9▓Λ2 Σ5Ц8▒Ξ1Ψ4Ф 7░Δ 0Ω3Ж6Ш9▓Λ · 2Σ5Ц Σ5Ц8▒Ξ1Ψ 4Ф7░Δ0Ω 3Ж6Ш
← Λ2Σ5 Ц8 ▒Ξ1 Ψ4Ф7░Δ0Ω 6Ш9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф 7░Δ0Ω3Ж6Ш9▓Λ 2Σ 5Ц8 ▒Ξ1Ψ4Ф7 ░Δ0Ω3Ж6Ш9. ▓Λ2Σ 5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω3 Ж6 Ш9▓ Λ 2Σ5Ц8▒Ξ 1Ψ4Ф7░Δ0Ω3 Ж6 Ш9▓Λ2Σ5Ц 8▒ Ξ1Ψ4 Ф7░Δ0Ω3Ж, 6Ш9▓Λ2Σ5Ц8▒Ξ, 1Ψ 4Ф7░Δ.
3Ж 6Ш9▓ 0Ω3Ж6Ш9 ▓Λ2Σ5Ц8-▒Ξ1Ψ4Ф7░Δ0 Ω3Ж6Ш9▓Λ2Σ; 5Ц8▒Ξ 1Ψ4Ф7░Δ 0Ω3Ж6Ш9▓, Λ2Σ5Ц8▒Ξ1Ψ4Ф, 7░Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц8▒Ξ, 1Ψ4 Ф7░Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц8
░Δ0Ω3Ж Ф7░Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф
Ψ4Ф7░ Ξ1Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ 2Σ5Ц8 ▒Ξ1Ψ4Ф 7░Δ0 8▒Ξ 1 Ψ4Ф7 ░Δ 5Ц 8▒Ξ1Ψ4Ф 7░Δ0Ω 3Ж6Ш9 ▓Λ2Σ 5Ц8 ▒Ξ1Ψ4Ф7 ░Δ0Ω3Ж6Ш9▓Λ2Σ, 5Ц8▒ Ξ1 Ψ4Ф7░Δ0Ω, 3Ж 6Ш9▓Λ2Σ 5Ц8 ▒Ξ1Ψ4Ф7░Δ0 Ω3Ж6Ш9▓Λ2Σ5 Ц8 ▒Ξ1Ψ4Ф7. ░Δ0Ω3Ж6Ш 9▓Λ2Σ 5Ц8 ▒Ξ1Ψ 4Ф7░ Δ 0Ω3Ж6Ш9▓ Λ2Σ5Ц8▒Ξ 1Ψ4Ф7░ Δ0 Ω3Ж6Ш9 ▓Λ 2Σ5Ц8▒Ξ.
2Σ5 Ц8▒Ξ1Ψ 4 Ф7░Δ0Ω3 Ж6 ▓Λ2Σ5 Ц8▒Ξ1Ψ4Ф, 7░Δ0 Ω3Ж6Ш9▓, Λ2Σ5Ц8▒Ξ 1Ψ4Ф7░, Δ0Ω3Ж6Ш9, ▓Λ2 Σ5Ц8▒Ξ1 Ψ4Ф7 ░ Δ0Ω3Ж6 Ш9▓Λ2Σ 5Ц8▒Ξ1Ψ4Ф 7░Δ0Ω 3Ж6Ш9▓Λ 2Σ5Ц8▒ Ξ1Ψ4Ф7░Δ0Ω3 Ж6Ш 9▓Λ2Σ5Ц8▒ Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш.
Ш9▓Λ2Σ5 Ц8▒Ξ1: Ж6Ш9▓Λ2 · Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω3Ж 6Ш9 ▓Λ2Σ5Ц8▒Ξ . Ж6Ш9▓Λ 2Σ5Ц8▒Ξ 1Ψ4Ф7 ░Δ0Ω 3 Ж6Ш9▓Λ2 Σ5Ц8▒Ξ1Ψ 4Ф7░Δ0Ω, 3 Ж6Ш9▓Λ2Σ5 Ц8▒Ξ1Ψ4, Ф7░ Δ 0Ω3Ж 6Ш 9▓Λ2 Σ5Ц 8▒Ξ1Ψ4Ф.
Ω3Ж6 Ш 9▓Λ2
7░Δ0Ω3Ж 6Ш9▓Λ2Σ5 4Ф7░Δ0Ω3Ж6Ш 9▓Λ2Σ5 1Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ2Σ ▒Ξ1Ψ 4Ф7░Δ0Ω3Ж6Ш9▓ Σ5Ц8▒: Ц 8▒Ξ1Ψ4Ф 7░Δ0Ω3Ж6Ш9 ▓Λ2Σ 5Ц8 ▒Ξ1Ψ4: Ф7░Δ0Ω3Ж, 6Ш9▓Λ2, Σ5Ц8, ▒Ξ1Ψ4Ф7░Δ, 0Ω3Ж, 6Ш9 ▓Λ2Σ5Ц8. ▒Ξ1 Ψ4Ф7░Δ0 Ω3Ж6Ш9▓ Λ2Σ5 Ц8▒Ξ1Ψ 4Ф7░Δ0Ω3 Ж6Ш 9▓Λ2Σ5Ц8▒ Ξ1Ψ4Ф7░, Δ0Ω3 Ж6 Ш9▓Λ 2Σ5Ц8▒Ξ1 Ψ4 Ф7░Δ0.
9▓Λ 2Σ5Ц8 ▒Ξ1Ψ 4Ф7░ Δ0Ω3Ж6: Λ2Σ5Ц8 ▒Ξ1Ψ4Ф7░Δ 0Ω3Ж6Ш9-▓Λ2Σ5 Ц8▒Ξ1Ψ4Ф 7░Δ0Ω3 Ж6Ш9▓Λ2Σ5, Ц8▒ Ξ1Ψ4Ф7░Δ 0Ω3Ж6 Ш9▓Λ2Σ5Ц8 ▒ Ξ1Ψ4 Ф7░Δ0Ω3Ж6 Ш9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф7░Δ.
6Ш9 ▓Λ2Σ5Ц 8▒Ξ1 Ψ4 Ф7░Δ0Ω3. Ж6Ш9 ▓Λ2Σ5Ц8▒ Ξ1Ψ 4Ф7 ░Δ0Ω3Ж6Ш9▓Λ 2Σ5 Ц8▒ Ξ1Ψ4Ф7 ░Δ0Ω3Ж6 Ш9▓Λ2Σ.
3Ж6 Ш 9▓Λ2Σ5Ц8▒Ξ 1Ψ 0Ω3Ж6Ш9▓Λ 2Σ5 Ц8▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6 Ш9▓Λ2Σ5Ц8▒Ξ1Ψ 4Ф7░Δ0Ω3, Ж6Ш9▓Λ2Σ5 Ц8▒Ξ1Ψ4Ф, 7░Δ 0Ω3Ж6Ш9▓ Λ2 Σ 5Ц8▒ Ξ1Ψ4. ░Δ0Ω 3Ж6Ш9▓ Λ2Σ5Ц8▒Ξ1, Ψ4Ф7░Δ0Ω 3Ж6Ш, 9▓Λ 2Σ5Ц8▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш9▓ Λ2Σ 5Ц8▒Ξ1Ψ4Ф 7░Δ0. Ф7░Δ0Ω3Ж6 Ш 9▓Λ2Σ5Ц8 ▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш9 ▓Λ2Σ 5Ц8▒Ξ1 Ψ4 Ф7░Δ0Ω3Ж6Ш9▓Λ 2Σ 5Ц8▒Ξ1Ψ, 4Ф7░Δ 0Ω3Ж6Ш9▓Λ 2Σ5Ц8▒Ξ1. Ψ 4Ф7 ░Δ0Ω3Ж6Ш9 Ξ 1Ψ4Ф7░Δ 0Ω3Ж6Ш 9▓Λ2Σ5Ц8▒ Ξ1Ψ4Ф7 ░Δ0Ω 3Ж6Ш9▓Λ, 2Σ5 Ц8▒Ξ1Ψ4Ф7 ░Δ0 Ω3Ж6Ш9 ▓Λ 2Σ5Ц8▒Ξ1Ψ4Ф 7░Δ0 Ω3Ж6Ш 9 ▓Λ2Σ5 Ц8▒Ξ1Ψ4Ф7. 8▒Ξ1Ψ4 Ф7░Δ0Ω3Ж6 Ш9▓Λ 2Σ5 Ц8▒Ξ1Ψ4 Ф7░Δ0Ω3Ж6Ш9 ▓Λ2Σ5Ц8 ▒Ξ1Ψ4Ф7░Δ 0Ω3Ж6Ш9▓; Λ2Σ5 Ц8 ▒Ξ1 Ψ4Ф7░Δ0Ω3 Ж6Ш 9▓Λ2Σ5Ц8▒Ξ1 Ψ4 Ф7░Δ0Ω3Ж6Ш9▓ Λ2 Σ5Ц 8▒Ξ1Ψ 4Ф 7░Δ 0Ω3Ж6Ш9 ▓Λ 2Σ5Ц8▒Ξ1Ψ. 5Ц8▒Ξ 1Ψ4Ф 7░Δ0Ω 2Σ5Ц8▒Ξ1Ψ 4Ф7 ░Δ0 Ω3Ж6Ш9▓Λ, 2Σ5Ц8▒Ξ 1Ψ4Ф 7░Δ0Ω, 3Ж 6Ш9▓Λ2Σ5Ц8▒Ξ 1Ψ4Ф7░Δ0Ω3 Ж6 Ш9▓Λ-2Σ5Ц8▒Ξ1Ψ4 Ф7░Δ0Ω3Ж. ▓Λ2 Σ5Ц8▒Ξ1 Ψ4Ф7 ░Δ0 Ω3Ж6Ш9▓Λ2 Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ2Σ5Ц8, ▒Ξ1Ψ4Ф7░Δ0 Ω3Ж6Ш9▓Λ2, Σ5Ц8 ▒Ξ1Ψ4Ф7░Δ0Ω3Ж, 6Ш 9▓Λ2Σ5Ц8▒Ξ 1Ψ4Ф7░Δ0Ω3Ж. 6Ш9▓Λ 2Σ5Ц8▒Ξ 1Ψ4Ф7░Δ0 Ω3Ж6Ш9▓Λ 2Σ5 Ц8▒Ξ1Ψ4Ф7░. Ш9▓Λ 2 Σ5Ц8▒Ξ1 Ж6Ш 9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф 7░Δ0Ω3Ж6 Ш9▓ Λ2Σ5Ц8▒Ξ 1Ψ4Ф7░ Δ 0Ω3Ж6Ш 9▓Λ2Σ5Ц8▒, Ξ1Ψ4 Ф7░Δ0Ω 3Ж6Ш9▓ Λ2Σ 5Ц8▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш. Ω3Ж 6Ш9▓Λ2Σ5 Ц8▒Ξ 1Ψ4Ф7░Δ0Ω3Ж6 Ш9▓Λ2Σ, 5Ц8▒Ξ1Ψ4Ф7░Δ0, Ω3Ж 6 Ш9▓Λ2Σ5 Ц8▒Ξ1Ψ4 Ф7░Δ0Ω 3Ж6Ш9. Δ0Ω 3Ж6Ш9▓Λ 2Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω3 Ж6Ш9▓Λ2 Σ5Ц8▒ Ξ1Ψ4Ф7░Δ 0Ω3 Ж6Ш9▓ Λ2Σ5Ц8▒Ξ-1Ψ4Ф 7░Δ0Ω3Ж6Ш. 9▓Λ 2Σ5 Ц8▒Ξ 1Ψ4Ф7 ░Δ 0 Ω3Ж6Ш9▓Λ2 Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω3Ж6Ш, 9▓Λ 2 Σ5Ц8▒Ξ1Ψ4Ф. 7░Δ0 Ω 3Ж6Ш 9▓Λ2 Σ5 4 Ф7░Δ0Ω3Ж6 Ш9▓Λ 2Σ 5Ц8▒ Ξ1Ψ4Ф7 ░Δ0Ω 3Ж 6Ш9▓Λ2Σ5 Ц8▒Ξ 1Ψ4 Ф7░Δ0Ω3Ж6Ш9 ▓Λ2Σ5Ц, 8▒Ξ1 Ψ4Ф 7░ Δ0Ω3Ж6Ш, 9▓Λ 2Σ5Ц8 ▒Ξ1Ψ4Ф7░ Δ0Ω 3Ж6Ш9▓ Λ2 Σ5Ц8▒ Ξ1Ψ4Ф 7░ Δ0Ω3. 1Ψ4Ф7░Δ 0Ω3Ж6Ш9▓Λ · 2Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω3
▒Ξ1Ψ 4Ф7 ░Δ0Ω3Ж6 Ш9▓Λ2Σ5 Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ2Σ: 5Ц8 ▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш9▓ Λ2Σ5Ц 8▒Ξ 1Ψ4Ф7░Δ0Ω 3Ж6Ш9 ▓Λ2 Σ5Ц8▒Ξ 1Ψ4Ф7░Δ0Ω3 Ж6Ш9▓Λ2 Σ5Ц8▒Ξ 1 Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ2; Σ5 Ц8▒Ξ 1Ψ4Ф7░Δ, 0Ω3Ж6Ш 9▓Λ2, Σ5Ц8▒Ξ, 1Ψ 4Ф7░Δ 0Ω3 Ж6Ш9▓Λ2Σ5. 9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф7 ░Δ0Ω3Ж6Ш9: ▓Λ2 Σ5Ц8▒Ξ1Ψ 4Ф7░Δ0Ω 3Ж6Ш9 ▓Λ2 Σ5Ц8▒Ξ1Ψ 4Ф7░Δ, 0Ω3Ж6Ш9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф 7░Δ0Ω, 3Ж6Ш9▓Λ2 Σ5Ц8▒Ξ, 1Ψ4 Ф7░Δ0Ω3Ж 6Ш9▓Λ2Σ 5Ц8▒Ξ1Ψ4 Ф7░Δ0Ω 3Ж6 Ш9▓Λ2Σ5Ц8 ▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш9▓. 3Ж6Ш9▓Λ 2Σ5Ц8▒Ξ1 Ψ4Ф7░Δ0Ω3: Ж6Ш 9▓Λ2Σ5Ц8 ▒Ξ1Ψ4Ф7░ Δ0Ω3Ж6 Ш9▓ Λ2Σ5Ц8▒Ξ1Ψ4Ф7 ░Δ0Ω3Ж 6Ш 9▓Λ2Σ5Ц8▒ Ξ1Ψ 4Ф7░Δ 0Ω3Ж6Ш9-▓Λ2Σ5Ц8▒ Ξ1Ψ4Ф7░Δ0Ω 3Ж6Ш9▓Λ. ░Δ0Ω3Ж6 Ш9▓Λ2Σ5Ц 8▒Ξ1Ψ4Ф7░: Δ0Ω 3Ж6Ш9 ▓Λ2Σ5 Ц8▒Ξ1Ψ4Ф 7░Δ0 Ω3Ж6Ш9▓Λ2 Σ5Ц8▒Ξ 1Ψ4Ф 7░Δ0Ω3Ж6, Ш9▓Λ2Σ5Ц8▒, Ξ1Ψ4Ф7░Δ 0Ω3Ж6Ш9▓Λ, 2Σ5Ц8▒Ξ1 Ψ4Ф7░, Δ0Ω 3 Ж6Ш9▓Λ2Σ 5Ц8▒Ξ. Ψ4Ф7░Δ0 Ω3Ж6Ш9▓Λ 2Σ5Ц8▒Ξ1Ψ: 4Ф7 ░Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц8▒ Ξ1Ψ4Ф7░Δ 0Ω3Ж6Ш9▓Λ2Σ5Ц 8▒Ξ1Ψ 4Ф7░Δ0Ω3 Ж6Ш9▓Λ 2 Σ5Ц8▒Ξ1Ψ4 Ф7░Δ0Ω 3Ж6Ш9 ▓Λ2Σ5Ц8 ▒Ξ1Ψ4Ф7░ Δ 0Ω3Ж 6Ш9▓Λ2 Σ5Ц8 ▒Ξ 1Ψ4Ф7░Δ. Λ2Σ5 Ц8▒Ξ1Ψ4 Ф7░Δ 0Ω3Ж? 9▓Λ2Σ 5Ц8▒Ξ1Ψ4Ф 7░Δ0Ω3Ж 6Ш9▓Λ2Σ, 5Ц8▒Ξ1Ψ4, Ф7░ Δ0Ω3Ж6Ш 9▓Λ2Σ5Ц8▒Ξ 1Ψ 4Ф7░ Δ0Ω 3Ж6 Ш9▓Λ 2Σ 5Ц8▒. Ξ1Ψ4Ф7░ Δ0Ω3Ж6Ш 9▓Λ 2Σ5Ц8▒. 6Ш9▓Λ2Σ 5Ц8▒Ξ1Ψ
3Ж6Ш9 ▓Λ2Σ5Ц8 0Ω 3Ж6Ш9▓