conducting-phishing-incident-response

conducting-phishing-incident-response is a skill for Claude Code, Codex from tradecatlabs/vibe-coding-cn. It costs 75 tokens per session (2,638 once invoked), scanned A, original, MIT.

Respond to phishing incidents by analyzing reported emails, extracting indicators, sandboxing URLs/attachments, assessing credential compromise, quarantining malicious messages organization-wide, and remediating affected accounts. Use when investigating a reported phishing or credential-phishing email, a suspected…

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Install with agentmods
npx agentmods add skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add tradecatlabs/vibe-coding-cn --skill conducting-phishing-incident-response
Clone the repo
git clone --depth 1 https://github.com/tradecatlabs/vibe-coding-cn

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for conducting-phishing-incident-response

README.md
[![agentmods](https://agentmods.dev/badge/skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response/github.svg)](https://agentmods.dev/skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response)
Your own site
<a href="https://agentmods.dev/skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response"><img src="https://agentmods.dev/badge/skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for conducting-phishing-incident-response

Your own site · 80×15
<a href="https://agentmods.dev/skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response"><img src="https://agentmods.dev/badge/skills/tradecatlabs/vibe-coding-cn/conducting-phishing-incident-response.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,638 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00075 $0.02638
Opus 5 $0.00037 $0.01319
Sonnet 5 $0.00015 $0.00528
Haiku 4.5 $0.00007 $0.00264

Measured today against content hash c5219567bb23, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

conducting-phishing-incident-response scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/agent.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

research/vibe-cybersecurity-cn/skills/reference-only/anthropic-cybersecurity-skills/skills/conducting-phishing-incident-response/SKILL.md · 283 lines

How it starts

The opening of the file, as written. The whole thing — 283 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Conducting Phishing Incident Response

When to Use

  • A user reports receiving a suspicious email via the phishing report button or abuse mailbox
  • Email gateway detects a malicious email that bypassed initial filtering
  • Threat intelligence indicates an active phishing campaign targeting the organization
  • A user confirms they clicked a link or opened an attachment from a suspicious email
  • Credentials have been entered on a suspected phishing page

Do not use for business email compromise (BEC) involving compromised internal accounts; use BEC response procedures which focus on account takeover investigation.

Prerequisites

  • Email security gateway with message trace and quarantine capabilities (Microsoft Defender for Office 365, Proofpoint, Mimecast)
  • Microsoft 365 admin access or Google Workspace admin for mailbox search and purge
  • Malware sandbox for attachment and URL analysis (ANY.RUN, Joe Sandbox, Hybrid Analysis)
  • Email header analysis tools (MXToolbox Header Analyzer, Google Admin Toolbox)
  • Identity provider access for account remediation (Azure AD, Okta, Duo)
  • Phishing report intake process (dedicated mailbox or integrated report button)

Workflow

Step 1: Receive and Triage the Phishing Report

Evaluate the reported email to determine if it is malicious:

  • Extract the email as an .EML or .MSG file (preserves headers)
  • Analyze email headers to determine the true sender, relay path, and authentication results
Email Header Analysis Checklist:
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Return-Path:     billing@spoofed-domain[.]com
From:            "IT Support" <support@corp-lookalike[.]com>
Reply-To:        attacker@gmail[.]com (different from From)
SPF:             FAIL (sender IP not authorized for domain)
DKIM:            FAIL (signature invalid)
DMARC:           FAIL (policy: none - no enforcement)
Received:        from mail.attacker-infra[.]net [45.33.x.x]
X-Originating-IP: 45.33.x.x
Message-ID:      <[email protected]>

Classification criteria:

  • Confirmed Phishing: Malicious URL/attachment, spoofed sender, credential harvesting page
  • Suspicious: Anomalous headers but no confirmed malicious content
  • Spam/Marketing: Unwanted but not malicious
  • Legitimate: Not a phishing email (false report)

Read the full file on GitHub · 283 lines

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. today First seen · 283 lines · 75 tokens per session scan A c5219567bb23

Subscribe to this mod's changes

conducting-phishing-incident-response is a skill published in the GitHub repository tradecatlabs/vibe-coding-cn (16,181 stars, last pushed today), licensed MIT. It adds 75 tokens to every session and 2,638 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-13.

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