The third and final part in our series on the new Pikabot core! In this stream complete our custom emulator to automatically extract encrypted strings from the malware and create a few yara rules for hunting.
Fun fact, the string extractor a...
2023-12-02 02:42:47 +0000 UTC
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The second part in our series on the new Pikabot core! In this stream we begin to build a custom emulator to automatically extract encrypted strings from the malware.
Just a heads up... at the end of the stream I run into a very obviou...
2023-12-02 02:40:27 +0000 UTC
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Pikabot is back! New loader, new string encryption, indirect syscalls and more! Join us for our initial triage of the core module. In this stream we focus on the dynamic API resolution and string decryption. The majority of the stream we are...
2023-11-18 16:12:52 +0000 UTC
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In this Twitch stream we continue our work on an automated string recover tool for ADVObfuscator by extending it to handle custom variants with globals and AVX instructions.
Samples
- 765d19b4728008c1589f222d1fa49f1cb7...
2023-11-05 21:52:12 +0000 UTC
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In this Twitch stream we begin building a tool to assist with string recovery for malware that is protected with ADVObfuscator.
Since ADVObfuscator is an...
2023-11-05 21:46:17 +0000 UTC
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In this Twitch stream we build a config extractor for Mystic Stealer that is able to handle their "custom" obfuscation.
NOTE: We are troubleshooting some issues with Patreon video embeds. If you can't see/watch the video please let me know (...
2023-10-24 14:00:05 +0000 UTC
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In this Twitch stream we continue our previous work on Garble Go string decryption to tackle another type of obfuscator ...
2023-10-18 13:00:32 +0000 UTC
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In this Twitch stream we extend our previous work on Garble Go string decryption to tackle another type of obfuscator us...
2023-10-18 12:59:20 +0000 UTC
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A light Twitch stream taking a look at possibly world's worst cryptor... totally FUD until you upload to VirusTotal lol! This is just a silly stream but sometimes you have to call it out when you see it ... we will be back on schedule next week!&n...
2023-09-26 15:30:01 +0000 UTC
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In this Twich stream we take a closer look at Limerat and open source .NET RAT that has become very popular. Our goal is to build a stand alone configuration extractor that will extract all of the config settings not just the C2!
Samples
2023-09-26 15:01:01 +0000 UTC
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In this Twitch stream we continue our efforts to recover strings encrypted with the Garble GoLang obfuscator. We manage to identify a common pattern that not only allows us to identify Go samples where Garble has been used but also provides a patt...
2023-09-01 14:35:01 +0000 UTC
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In this Twitch stream we take a look at Bandit, a new infostealer written in GO that primarily targets browser credentials and crypto wallets. The collected information is uploaded to Telegram with the operator's telegram ID and channel ID hard co...
2023-09-01 14:30:02 +0000 UTC
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Emulating The Windows Environment
This is the last part in our five-part tutorial series on emulation. In this module we learn how to use a full User-Mode emulator capable of running a PE file. The focus is mainly on Dumpulator and its app...
2023-08-29 22:35:04 +0000 UTC
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Advanced Unicorn Techniques
This is the fourth part in our five-part tutorial series on emulation. In this module we expand our capabilities with Unicorn using the Unicorn hooks. We build a tracing engine and lay the groundwork for a full ...
2023-08-29 22:23:16 +0000 UTC
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Reverse Engineering With Emulation
This is the third part in our five-part tutorial series on emulation. In this module we learn how to apply emulation to common reverse engineering tasks. The module is accompanied by a live demo and a lab...
2023-08-29 22:15:39 +0000 UTC
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Unicorn CPU Emulator
This is the second part in our five-part tutorial series on emulation. In this module we learn how to use the Unicorn emulator for simple emulation tasks. The module is accompanied by a live demo and a lab that builds ...
2023-08-29 21:59:13 +0000 UTC
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Emulator Fundamentals
This is the first part in our five-part tutorial series on emulation. In this module we begin by learning how an emulator works under the hood. The module is accompanied by a live demo and a lab that builds on the con...
2023-08-29 21:42:04 +0000 UTC
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In this stream we take a look at a lightly obfuscated version of Glupteba. This malware has multiple components but our focus is on the loader.
Samples
In this stream we take a look at this RootTeam is a GO stealer that can be built via a Telegram channel. Originally we confused this with BanditStealer but it is separate ... also we try of this neat GO symbol recovery tool 2023-08-20 01:16:16 +0000 UTC
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In this stream we take a look at TruBot which has been in the news thanks to a recent Cybersecurity and Infrastructure Security Agency (CISA) report. Stick around for some ... interesting ... yara rules lol.
Sample
2023-07-27 17:49:30 +0000 UTC
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In this stream we take a look at a new stealer that might be named "StatusRecorder" according to its C2 panel? The malware itself is very straight forward and we quickly create a Yara rule and start hunting for similar samples...
Heads Up!<...
2023-07-24 15:00:05 +0000 UTC
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In this stream we take a close look at a multi-stage malware delivery system which is used to prepare the target so the final payload is not detected. There are a few tricky parts but this is a very accessible stream... N00bs Night!
Samples...
2023-07-19 18:11:20 +0000 UTC
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This is a bit of a different stream where we investigate a novel idea from @mishap where emulation is performed only on memory based instructions. The concept is that this may e...
2023-07-18 00:48:33 +0000 UTC
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This is a crazy 7h long dev stream! We probably won't do another one of these but if you like you can watch in real time I as build a generic string decryption tool for the xorstr library.
What?
The idea for this tool was developed o...
2023-07-06 01:49:00 +0000 UTC
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In this twitch stream we continue our analysis of RisePro but shift our focus to the string encryption library xorstr. The main focus of this stream is investigating use of the xorstr library in malware and building a universal string decryption t...
2023-07-05 18:20:40 +0000 UTC
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In this twitch stream we take a look at RisePro a stealer that shares a lot of code with PrivateLoader. The main focus of the stream is investigating the similarities between PrivateLoader and RisePro but we also create a simple string decryption ...
2023-07-05 18:14:30 +0000 UTC
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In this Twitch stream we continue our triage of this new loader that uses AMSI bypasses to avoid detection. In this part we focus on the injected X64 shell code. The shell code uses relative offsets to access data within itself which poses some ch...
2023-06-20 15:01:02 +0000 UTC
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In this Twitch stream we begin to triage a new loader that uses AMSI bypasses to avoid detection. The loader itself is .NET but as we dig deeper we discover that the AMSI bypass is implemented in PowerShell, native X64 shell code is used (no yet a...
2023-06-20 14:59:02 +0000 UTC
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Join us as you help us rank the worst malware we have ever reverse engineered!
Special thanks to @huettenhain for helping to host, and everyone who sent us submiss...
2023-06-15 14:59:02 +0000 UTC
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In this Twitch stream we triage Metastealer creating a Yara rule and config extractor.
Sample
6cf8bfba1b221effcb1eccec0c91fb090...
2023-06-04 14:59:01 +0000 UTC
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