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analyzing-phishing-emails

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Triage and forensically analyze reported phishing safely — extract the raw message, read the Received chain, verify SPF/DKIM/DMARC, detect display-name and lookalike spoofing, unwrap redirects and SafeLinks/URLDefense, decode quishing QR codes, triage attachments, and pull IOCs for hunting. Use when handed a reported phishing email, a suspicious .eml or .msg file, a set of email headers to analyze, a malicious attachment or link to triage, or a business email compromise or spoofing case.

secskills-defense/skills/analyzing-phishing-emails/SKILL.md

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# Analyzing Phishing Emails

An email is a stack of claims — who sent it, where it came from, that its
links are safe — and phishing analysis is checking each claim against evidence
the sender could not forge: the Received chain, the authentication results,
and the true destination of every link and attachment. The From header is a
display, not a fact. Anyone can type any address into it; your job is to find
the evidence that agrees or disagrees.

## When to Use

- A user reports a suspicious email and you need a verdict and IOCs
- You have a `.eml` or `.msg` file to analyze offline
- You are handed raw headers and asked whether a message is spoofed
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