mgeeky | Mariusz Banach

@mariuszbit

🔴 Offensive Security Developer @ Outflank, Red Team operator, ex-AV dev, ex- malware researcher 🫖 Green tea lover

Polska

mgeeky.tech

Joined March 2016

1,022 Following

14.8K Followers

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mgeeky | Mariusz Banach
@mariuszbit
Jan 21
☢️ 2026 started with a bang! The project I've been building for the last three years - an Initial Access framework letting us weaponize 100+ file formats - is joining Outflank's OST & I'm joining too!😍 🔥 Same mission, now with joint R&D to ship even more high-quality RT tools!
Outflank
@OutflankNL
Jan 21
📢 Big News! @mariuszbit is joining Outflank! He ticks all the boxes: Experienced #offsec researcher ✓ Respected name in red teaming ✓ Built RMF tooling for initial access ✓ His work is coming to OST✓ The red hoodie fits perfectly ✓ Welcome Mariusz! outflank.nl/blog/2026/01/2…
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mgeeky | Mariusz Banach
@mariuszbit
Jun 13
Literally just had a use case to let Fable run loose around my PoC... aaaand they took it away O_O
Anthropic
@AnthropicAI
Jun 13
The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees. The net effect of
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mgeeky | Mariusz Banach
@mariuszbit
Jun 11
We're having a blast at the Hacker Pirate Ship @ #x33fxon Brilliant evening, awesome con! @gasmelt @thenopcode @mrgretzky @django88_ @jakub_stanior @francisacer1 @BigM1ke_oNe @InfoSec_Crow_ @Sno0wOfficial
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mgeeky | Mariusz Banach
@mariuszbit
May 13
35+ non-Office file formats fully weaponized & obfuscated by the OST Builder - coming soon! So many ways to run your shellcodes. This release becomes my hello world to the OST family 👋
Outflank
@OutflankNL
May 13
New release: kicking off Red Macros Factory integration into OST by @OutflankNL researcher @mariuszbit! ⚙️ Builder tool now ships with better script payload gen, obfuscation, guardrails, LNK tradecraft, and new conversion paths. More formats and payload shenanigans coming soon!
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mgeeky | Mariusz Banach
@mariuszbit
Apr 27
Random 🇵🇱 trivia: In the last 9 days, Poland came together for a world-record-breaking charity stream that raised €60M+ for childhood cancer treatment. A 23yo influencer’s spontaneous idea spiraled into a national movement of families, celebs, and donations. Proud to be 🇵🇱!
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