10 Aug 2013 @ 8:52 PM 

I did a trip to LA, San Francisco, San Jose, Las Vegas and New York. Too much to mention, but overall I loved it a lot. Nice cities, nice people everywhere.
Highlights of my trip were the visit to Paypal in San Jose, Defcon and the skydiving session in Vegas.
Just sharing some photos, hard to do massive upload of high quality photos..

Posted By: Eusebiu Blindu
Last Edit: 10 Aug 2013 @ 08:54 PM

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 07 Jul 2013 @ 7:46 AM 

You may want to start testing for bug bounty programs, you have a couple of hours, but not that many ideas in the beginning.

One tip that I recommend is to decide what BB you wanna approach and then get a list of bugs that you know were rewarded in the past. Then try to find similarities between these bugs and write it down.  It’s good to take two bb programs so you can de-focus, get different perspectives. Also it will reduce the frustration when you don’t find any bug if you focus only in one area/BB.

So for what I described above I do for example:

1) Get a list of 10 bugs (as recent as possible) rewarded by Paypal (make sure these bugs are in scope too, because changes in the rules are often). In this particular case I sent often bugs to Paypal therefore  I will use bugs from my own submissions

2)Get a list of 10 bugs from Google. Although I was rewarded a couple of times by Google is not my most  comfortable BB program. So here I just Google it or look in other people’s blogs

Only these simple steps will help because:

  • you get a little bit organized
  • you can find a common ground to what was rewarded actually and you can focus on those areas and those types of bugs
  • if you lack skills (in security) it’s easier to find a similar bug (even if you don’t fully understand in-depth what it means) ; so basically you are a “repeater” of “duplicator” but that bug will be considered new nevertheless
  • just looking at the common elements of those bugs and at the elements that are distinct, again many ideas can come out of it
  • a limited number of bugs to have in front of you its better for the focusing than all your bug submissions
  • you can decide if you are bored and need to look for other areas and other type of bugs
  • and a lot of other things that go into your head that are not conscious will be of much help
Posted By: Eusebiu Blindu
Last Edit: 07 Jul 2013 @ 07:46 AM

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 27 Jun 2013 @ 7:40 PM 

I see many examples of rewarded bugs with final POC, or some description on a tool or some article on how someone found a bug etc, but not discussions about approaches in security bug bounties.

Like WHERE do you start from in looking for a vulnerability, WHEN do you try certain stuff and other stuff, WHAT do you look in a certain area, WHY do you do a specific action?

The final POC might be enough for the  submission report, but it doesn’t tell that much on how you find it. You can get some ideas, but vague ones.

I don’t think it’s only that all bug hunters  want to keep all their secrets. I believe they wanna share, but don’t know how. Also they don’t care about that much about the approach or identify it as a vital part.  And even if you wanna keep some stuff, which is normal in any field, you still have a need to discuss with others about something you are not so sure about.

Here are some topics I would propose to look at:

  • 80–20 rule or the Pareto principle We spend days where we don’t find anything, yet other times in 5 minutes we find very critical bugs. Is the time spent good enough with the rewarded bugs? Is it a complete random? The 80 percent of the time when we don’t find anything is a total waste or an important part of resource and information gathering?
  • They say that 1% (or 10%) of the bug hunters in a bug bounty program get 99%(or 90%?) of the whole rewards. Do you agree with that? Do you think is universal? Why do you think that its happening?
  • Regression testing ( or looking again in area with reported bugs or fixed bugs) does it have a higher chance for new vulnerability findings?
  • Context and how different applications require different approaches, tools, skills
  • Organizing yourself. Is it good to be very organized, or messy, or an alternation of messy and organized in this field?
  • What is the best bug type to look for so you can get the most out of the time spent. Is it XSS?

And there would be more topics, but the examples given hopefully should give an idea on what I wanna say.

Posted By: Eusebiu Blindu
Last Edit: 27 Jun 2013 @ 07:40 PM

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 13 Jun 2013 @ 4:49 AM 

Very happy to be listed in the top 10  Paypal Wall of Fame – first quarter 2013. I think Paypal is the best bug bounty program and I am glad I participated in it from the first days of its launching.

Posted By: Eusebiu Blindu
Last Edit: 13 Jun 2013 @ 04:51 AM

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 09 Jun 2013 @ 5:12 AM 

These are my pictures taken from Japan.

Main album

Some remaining pictures, few pictures, returning back

Posted By: Eusebiu Blindu
Last Edit: 09 Jun 2013 @ 05:12 AM

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