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Boris Larin

@oct0xor@mastodon.social
mastodon 4.7.0-beta.1
  • Open on mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

0 Followers
0 Following
9 Posts
Joined March 14, 2023
Twitter:
https://twitter.com/oct0xor

Posts

Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Apr 20, 2026
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social
Replying to @tiraniddo@infosec.exchange

@tiraniddo I guess this is what happened:

  1. You created NtApiDotNet and used it in dozens of PoCs submitted to MSRC
  2. Defender team was tasked with creating detection for your PoCs, and the easiest way was to detect the use of NtApiDotNet, since it was mainly used for exploitation?
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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Mar 26, 2026
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

We analyzed the Coruna exploit kit and found intriguing code overlaps with Operation Triangulation https://securelist.com/coruna-framework-updated-operation-triangulation-exploit/119228/

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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Oct 30, 2025
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

The HackingTeam is back! New name, new malware, new exploits https://securelist.com/forumtroll-apt-hacking-team-dante-spyware/117851/

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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Apr 13, 2025
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

In Thailand, or more precisely in Patang in Phuket, a very crazy tourist place, on the way to the hospital with a suspected bone fracture, I realized what I hate the most - Songkran

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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Mar 29, 2025
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

I don't know what I feel more: amazement at how good these AI-generated images look, or disgust at the ethics and behavior of the people behind this technology.

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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Mar 28, 2025
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

The root cause of the Chrome 0-day logical vulnerability CVE-2025-2783, which we discovered used in attacks with sophisticated malware, also affects the Firefox! New CVE-2025-2857 has just been fixed in Firefox 136.0.4 https://www.mozilla.org/en-US/security/advisories/mfsa2025-19/

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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · Mar 25, 2025
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

We have discovered a new Google Chrome 0-day that is being used in targeted attacks to deliver sophisticated spyware 🔥🔥🔥. It was just fixed as CVE-2025-2783 and we are revealing the first details about it and “Operation ForumTroll” https://securelist.com/operation-forumtroll/115989/

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Open post
oct0xor
Boris Larin @oct0xor@mastodon.social · May 27, 2024
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

I'm getting dopamine from this guy /cc @opa334@infosec.exchange

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oct0xor
Boris Larin @oct0xor@mastodon.social · May 16, 2024
Boris Larin
@oct0xor@mastodon.social

Reverse engineer / 0-days hunter at Kaspersky GReAT

mastodon.social

We managed to find this 0-day twice! First as a description of a vulnerability, then as a real exploit used by attackers. https://securelist.com/cve-2024-30051/112618/

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