Individual skill

authenticated-session-acquisition

Acquire an authenticated session THROUGH MFA/OTP on an in-scope target and emit a reusable session artifact (Playwright storageState + Bearer) so executors can test the post-auth attack surface. Use when the highest-value authenticated classes (BOLA/IDOR/mass-assignment/injection on the real data APIs) are blocked because login is gated by SMS-OTP or TOTP MFA. Distinct from the authentication skill (which ATTACKS auth); this one legitimately authenticates and hands the session to the rest of the engagement.

skills/authenticated-session-acquisition/SKILL.md

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Last checked: Nov 5, 2026

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Repository stars (not skill ratings): 611
Repository last updated: Jul 29, 2026
License: MIT

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SKILL.mdcore · 5,763 bytes
reference/session-acquisition.mddoc · 5,376 bytes

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# Authenticated Session Acquisition

On financial and multi-tenant targets the login is gated by SMS OTP / TOTP MFA that an autonomous run cannot satisfy, so the post-auth surface (BOLA/IDOR/mass-assignment/injection on the real data APIs, session handling, API pivots) silently collapses to pre-auth findings only. This skill's job is narrow and concrete: **get one legitimate authenticated session and hand it to the executors as a reusable artifact.** It does not attack the auth mechanism — see [`authentication`](../authentication/SKILL.md) for that.

## The artifact contract (how the session reaches executors)

Emit both, into the engagement's OUTPUT_DIR, referenced BY NAME (never inline secrets — [`credential-loading.md`](../coordination/reference/credential-loading.md)):

- `OUTPUT_DIR/<asset>/session/storageState.json` — the Playwright storage state (cookies + localStorage) for browser-driven post-auth testing.
- `OUTPUT_DIR/<asset>/session/bearer.txt` — the raw access/ID token (+ its `expires_at`) for direct API replay.

[Credential-related source omitted]

## Modes (pick by what the client can provide)