Nikolaos Chrysaidos

@virqdroid

Mobile Security & Malware Researcher | Building Threat Intelligence platforms & at

keybase.io/virqdroid
Vrijeme pridruživanja: ožujak 2008.

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  1. Prikvačeni tweet
    16. srp 2019.

    Stalking apps in . Four apps, the same developer. Install it to your employee/kid etc and track the location, collect contacts, SMS & call history. If the phone is rooted you can also collect WhatsApp/Viber messages. Those shouldn't exist on Google Play.

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  2. proslijedio/la je Tweet
    30. sij

    A message from Avast CEO Ondrej Vlcek ➢

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  3. proslijedio/la je Tweet
    29. sij

    1\ I've written a little compiler to ship ML models as standalone Yara rules, and done proof of concept detectors for Macho-O, RTF files, and powershell scripts. So far I have decision trees, random forests, and logistic regression (LR) working.

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  4. proslijedio/la je Tweet
    25. sij

    I'm working on a new project for Android reversers called Smali Debugger. It's like gdb but for Smali. It uses smalivm () for execution. Here's a quick video of me stepping through two similar methods.

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  5. proslijedio/la je Tweet
    16. sij
    Odgovor korisnicima
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  6. proslijedio/la je Tweet
    11. sij
    Odgovor korisniku/ci

    Yes Hacking Team is back, but changed it's name to Memento Labs and they developed their tools

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  7. proslijedio/la je Tweet
    10. sij

    I walked through the door and was immediately greeted by this kiosk, which recognized my face just from the corner of my eye and nose. I didn't even say hello to the people in the room yet

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  8. proslijedio/la je Tweet
    9. sij

    Check out my new blog on the history of the Bread (Joker) malware family's techniques

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  9. proslijedio/la je Tweet
    8. sij

    still makes it through to Play Store with zero detection on VT. Number of malicious samples is at least worrying. One of them reported at 0+ downloads (currently 100+). Hopefully it will change in the near future.

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  10. proslijedio/la je Tweet
    2. sij

    In Austria, a Joker malware was at the top of the free applications list for two days and was downloaded 100,000 times. 🤦‍♂️ Happy new year ! 😅

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  11. proslijedio/la je Tweet
    24. pro 2019.

    Merry Christmas 🎄and happy Mobile Threat hunting from the team!

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  12. proslijedio/la je Tweet
    22. pro 2019.

    Yikes! A top iOS app in 's App Store, was a government spy tool!? 🍎📲🕵️‍♂️😱 "...used by the govt. of the United Arab Emirates to try to track every conversation, movement ...of those who install it on their phones" - Our technical analysis:

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  13. proslijedio/la je Tweet
    15. pro 2019.
    Odgovor korisnicima i sljedećem broju korisnika:

    5 more . Almost all of them have 0/64 on VT. Over 130k+ installations Package names: com.gamesbox.runrace com.markersketchphotomaker com.sktop.lockapp Added to spreadsheet:

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  14. proslijedio/la je Tweet
    13. pro 2019.
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  15. 13. pro 2019.

    Semi-automated responses, no real customer service. You better use some alternative like and not

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  16. 13. pro 2019.

    KIWI Service : - Your outbound flight canceled - The alternatives are one for free 2 days after OR on the same day +63 Euros - I'm accepting paid alternative - Service is of course late and sending a payment link 3 days after for 95 Euros. Wtf ?

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  17. proslijedio/la je Tweet
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  18. proslijedio/la je Tweet
    12. pro 2019.

    13.3 brings bug fixes and a new feature, but does it bring new bugs

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  19. proslijedio/la je Tweet
    7. pro 2019.

    Here are the slides for the talk by me on DeStroid in automatically deobfuscate encrypted strings in Android malware. Including some bonus slides:)

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  20. proslijedio/la je Tweet
    6. pro 2019.
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  21. proslijedio/la je Tweet
    5. pro 2019.

    I gave a lightning talk about the ways of finding new joker samples at It was a nice experience 😄

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