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sapir federovsky Profile
sapir federovsky

@sapirxfed

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Doing things @wiz_io And then doing more things at home | failed research blog: https://t.co/j2HT1Tpscs

Tel Aviv
Joined August 2015
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@sapirxfed
sapir federovsky
7 months
Just me exploring new undocumented Entra APIs and doing some TTD to make Device Registration Service to change some Device attributes🙂 https://t.co/XTZM2GDowL
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sapirxfed.com
In this post, I dive into how the UpdateDevice function of dsregcmd works behind the scenes. From playing with registry values, tracing API calls in WinDbg, and intercepting requests with Burp, I e…
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@sapirxfed
sapir federovsky
11 hours
Day 3 – #DiaryOfWannabeResearcher I’m finally making a research backlog! a place for every idea, half-thought, and “maybe someday” project. Feels good to organize the chaos a bit.🤭
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@sapirxfed
sapir federovsky
1 day
Day 2 – #DiaryOfWannabeResearcher Trying something harder today: reading a complex post and summarizing it in my own words. It’s a good test, if I can’t explain it simply, I didn’t fully get it.
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@sapirxfed
sapir federovsky
1 day
Just read this post by @ExeqZ! https://t.co/4OugL7KK9m. So you need ngcmfa to the security info page. I wonder if we can use the "upgrade" method by @_dirkjan (from WHFB post)after device code phishing to get the token without 2nd MFA
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@sapirxfed
sapir federovsky
2 days
Day 1 of #DiaryOfWannabeResearcher Today’s mission: just scroll. Read comments, threads, and random thoughts. In 5 minutes, I already found new ideas and features I want to explore. Research starts with curiosity💪🙂
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@sapirxfed
sapir federovsky
2 days
If you were an attacker, add a secret to an application. What would you write for the description of the secret? Would you leave it empty? Do you have real-world info on this? @merill 🤭
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@sapirxfed
sapir federovsky
2 days
This comment helped me understand something very important: if I see an app using the same secret for a long time, it's still possible it's an attacker that exists in my env for a while, so it's not a good reason to assume it's legitimate
@merill
Merill Fernando
3 days
This is a really good question and is one of tests in the new Zero Trust Assessment that we released release yesterday. Yes, apps with expired creds are BAD. Especially if the apps have privileged permissions to various APIs. It's a ticking time bomb since an attacker that
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@sapirxfed
sapir federovsky
3 days
Kicking off a small project: From a Diary of a Wannabe Researcher. I’ll share short daily thoughts on what makes a good defensive researcher mindset, habits, failures, and small wins. It’s my way to get back into learning😁 starting tomorrow morning!
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@merill
Merill Fernando
4 days
👋 Folks, I'm super excited to announce the launch of the Microsoft Zero Trust Assessment! I've been working on this project for the past year at Microsoft with an extended team including our security researchers, product feature teams and docs Here's what it does 🧵👇
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@sapirxfed
sapir federovsky
3 days
Finishing a company conference feeling SO inspired! Stay tuned for some cool things from my end 🫡 on the pic: me & @wiz_io thingy 💙😁
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@merill
Merill Fernando
6 days
Came across @DrAzureAD presenting this slide and the @_dirkjan reference had me ROFL 🤣
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@fabian_bader
Fabian Bader
11 days
Hello my new friends EntraIdSignInEvents and EntraIdSpnSignInEvents. Finally AADSignInEventsBeta and AADSpnSignInEventsBeta can move out of beta and get the name change they deserve. #MDE #EntraID #XDR
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@sapirxfed
sapir federovsky
12 days
Good morning to all the people who feel like a failure. Let's cry in the corner together 😁
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@sapirxfed
sapir federovsky
22 days
There are many people who inspire me, but @_dirkjan tops the list.🤭 Beyond being a genius, he’s also one of the kindest people in our community. This episode by @merill shows it perfectly 😀 https://t.co/yoysUipayh
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entra.news
From Curiosity to CVE: The Story Behind Entra’s Wildest Exploit
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@sapirxfed
sapir federovsky
22 days
Not every day you see a new critical cross tenant vuln in azure! I like this one, and i like the detailed blog post 🙂 https://t.co/V7DqvB9h2v
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thecollective.eu
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@sapirxfed
sapir federovsky
26 days
Such a good post by @cnotin ! Basically everything you want to know about federation attacks and how to detect them! https://t.co/TjBVldAThT
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medium.com
Which Entra ID (ex-Azure AD) roles allow configuring federated authentication, thus allowing persistence and privilege escalation 💥
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@merill
Merill Fernando
27 days
Did you know that 97% of Entra logins are non-interactive? #entraid #cybersecurity #techtok #cybertok #entrachat
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@sapirxfed
sapir federovsky
1 month
Did you know that changing the "onPremisesSamAccountName" to "MSOL_<>" using the sync API doesn't create any log?🙃 Happy DCSync to you all! https://t.co/ee8b4yKRxP
dirkjanm.io
Many modern enterprises operate in a hybrid environment, where Active Directory is used together with Azure Active Directory. In most cases, identities will be synchronized from the on-premises...
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@sapirxfed
sapir federovsky
1 month
Do people still use cloud kerberos trust? I found this amazing talk by @elad_shamir and @hotnops ! https://t.co/6CRXTnSEXm
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