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Peter Gramantik

27 posts
Peter Gramantik is Sucuri’s Sr. Malware Researcher who joined the company in 2013. Peter’s main responsibilities include crafting signatures for new malware, and improving existing and researching new detection techniques. His professional experience covers 15 years of fighting malware. When Peter isn’t researching malware, you might find him doing technical and cave dives, riding his Harley Davidson, playing the guitar and singing in a band, or cooking BBQ for his family and friends. Connect with Peter on Twitter.

PHP Callback Functions: Another Way to Hide Backdoors

  • Peter Gramantik
  • April 25, 2014
We often find new techniques employed by malware authors. Some are very interesting, others are pretty funny, and then there are those that really stump…
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New iFrame Injections Leverage PNG Image Metadata

  • Peter Gramantik
  • February 3, 2014
We’re always trying to stay ahead of the latest trends, and today we caught a very interesting one that we have either been missing, or…
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Labs Note
  • Sucuri Labs

How to eval() without eval() in PHP

  • Peter Gramantik
  • December 11, 2013
According to our daily malware analysis experience, we’ve noticed that the bad guys are using obfuscation more and more to hide what they are doing.…
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Labs Note
  • Sucuri Labs

WordPress password stealer

  • Peter Gramantik
  • November 27, 2013
Following Fio’s recent post on the Joomla password stealer, here’s another beautiful example of password stealer. This time from WordPress environment. It’s easy to understand,…
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Another Fake WordPress Plugin – And Yet Another SPAM Infection!

  • Peter Gramantik
  • November 22, 2013
We clean hundreds and thousands of infected websites, a lot of the cleanups can be considered to be somewhat “routine”. If you follow our blog,…
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