authenticated-session-acquisition
SkillAcquire 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 AP
Install
git clone https://github.com/transilienceai/communitytools.git ~/.claude/skills/authenticated-session-acquisitionWhat is 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.
What this can do
Capabilities declared in this component's own frontmatter — not inferred.
Inherit all session tools
Declares no tool restrictions — inherits every session tool
~128 tokens of context used while enabled, before you invoke anything
Documentation
README · ~3 min readAuthenticated 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 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):
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 (+ itsexpires_at) for direct API replay.
Executors consume these exactly like any env-loaded secret: the scope file's creds_env names the realm, and the session path is passed as a file reference, so no token is ever written into a prompt, experiments.md, or attack-chain.md. Re-run this skill when the token expires (record expires_at; refresh rather than re-login where a refresh token exists).
Modes (pick by what the client can provide)
| Mode | When | How |
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