Yumi (@Yumi_Sec) header
Yumi (@Yumi_Sec) profile picture

French student & Bug hunter

Joined July 2013
Photo by Yumi (@Yumi_Sec)Photo by Yumi (@Yumi_Sec)Photo by Yumi (@Yumi_Sec)Photo by Yumi (@Yumi_Sec)Photo by Yumi (@Yumi_Sec)
Hackers, I wrote a new tool called Transformations — it’ll help you understand how input is transformed on a system, which can help you craft better payloads. It’s available at transformations.jobertabma.n…. Code at github.com/jobertabma/transf…. Happy crafting! #HackForGood
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An interesting trick: you can bypass a WAF during a XSS attack on ASP(dot)NET/IIS technology by using a HTTP parameter pollution attack. #BugBounty #BugBountyTips #InfoSec (Credit to Acunetix) Full article: acunetix.com/blog/whitepaper…
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Nice try, maybe next time 🙃
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This tweet got much more attention than expected, glad if it was helpful to anyone. I'll try to continue to share this kind of stuff in the coming weeks.
If a web application allow you to upload a .zip file, zip:// is an interesting PHP wrapper to turn a LFI into a RCE. #BugBounty #BugBountyTips #InfoSec
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If a web application allow you to upload a .zip file, zip:// is an interesting PHP wrapper to turn a LFI into a RCE. #BugBounty #BugBountyTips #InfoSec
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