orca
hawk
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orca
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Nuclear Spam Option
Look into running an ORCA report and see what it flags: https://github.com/cammurray/orca
- Anybody else having issues with anti-spam and phishing policies ??
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How to block malicious emails with spoofed display names impersonating internal company's department email addresses (XYZ HR Department) coming from an external email address in Microsoft 365 Exchange/Defender?
I highly recommend reviewing this if you haven't already: https://techcommunity.microsoft.com/t5/microsoft-defender-for-office/email-protection-basics-in-microsoft-365-spoof-and-impersonation/ba-p/3562938. If you have all of the Impersonation features enabled, you can greatly reduce the risk of future impersonation emails getting through. You can quickly run the ORCA or the Configuration Analyzer tool in Defender to see if you're behind on best practices. I've seen this work very well in orgs that were previously big red targets for BEC.
- O365 security
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Thoughts on Microsoft Defender for Office 365 (ATP)?
If you are going to use it, I highly recommend utilizing Cam Murray's ORCA Module to review your settings against Microsoft's recommended settings (assuming you have appropriate coverage to manage and are not expecting it to be a set it/forget it solution.)
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Defender best practices?
Use ORCA. https://github.com/cammurray/orca
- Does anyone have a cheat sheet for hardening up spam and phishing policies in o365?
hawk
- Hawk Repo
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Message Trace O365
I recommend checking this out btw https://github.com/T0pCyber/hawk
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Office 365 Outlook rules automatically generating
run HAWK against the mailbox and it should surface something useful.
- Useful Email Compromise resource
- Compromised Email HOW?
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Crazy Email Hacking
Use https://github.com/T0pCyber/hawk on the mailbox, it will show you everything you need to know. it knows what to look for, and produces a report on all the suss activities. Ive learnt best from letting it do its job then seeing what it found.
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What do you use for your office 365 security routines and what routines do you perform?
HAWK is a great tool to investigate for suspicious activity. Its no silver bullet, but it does even dump a list of suspect accounts when you run the Tenant Investigation command. Probably with a little bit of work you could script HAWK to run automatically in bulk.
- User got phished. I asked her to think back and try to remember if she'd got an attachment that required login.
- Track down how account was compromised.
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Office 365 audit log for compromised account
Have you ran the Powershell HAWK Tool ? https://github.com/T0pCyber/hawk
What are some alternatives?
office365 - Repo for containing and managing office 365 scripts for my customers, techs and others. If you have any questions please feel free to hit me up.
Business-Email-Compromise-Guide - The Business Email Compromise Guide sets out to describe 10 steps for performing a Business Email Compromise (BEC) investigation in an Office 365 environment. Each step is intended to guide the process of identifying, collecting and analysing activity associated with BEC intrusions.
Export-RecipientPermissions - Document, filter and compare Exchange permissions: Mailbox access rights, mailbox folder permissions, public folder permissions, send as, send on behalf, managed by, moderated by, linked master accounts, forwarders, sender restrictions, resource delegates, group members, management role group members
PowerShell - PowerShell functions and scripts (Azure, Active Directory, SCCM, SCSM, Exchange, O365, ...)
atproto - The AT Protocol (🦋 Bluesky) SDK for Python 🐍
o365recon - retrieve information via O365 and AzureAD with a valid cred
oh-my-posh2 - A prompt theming engine for Powershell
monkey365 - Monkey365 provides a tool for security consultants to easily conduct not only Microsoft 365, but also Azure subscriptions and Microsoft Entra ID security configuration reviews.
Set-OutlookSignatures - The open source gold standard to centrally manage and deploy email signatures and out-of-office replies for Outlook and Exchange
posh-git - A PowerShell environment for Git
CrpUsernameStuffing - PS Script to stuff usernames into NPS Connection Request Policies