Zeusbot/SpyEye Bot Variant

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sniper3d
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Zeusbot/SpyEye Bot Variant

Post by sniper3d »

Automatically translated from French.

[align=center]Variant of the Zeusbot / SpyEye Bot that uses a peer-to-peer network model[/align]
Variante du Zeusbot/SpyEye Bot Cybercriminals are using a modified version of Zeusbot/SpyEye, which uses a peer-to-peer architectural network, rather than a simple bot and command control system server, making the zombie network much harder to take down at the source.

Symantec warned that Zeus is very popular in the cybercriminal world because it is capable of stealing a wide variety ofinformation, documents and login information from infected systems.

For many years it was the favorite weapon of most fraudsters targeting the source code of online banking systems.

The Trojan was posted on Internet forums last year, opening the way for many third parties for modifications and improvements.
Variante du Zeusbot/SpyEye Bot Previously, P2P was used to communicate between collecting bots for any changes in the server URL (command control).

Other techniques have also been used, such as determining the programming of URLs to be used on specific dates in case a bot loses complete contact.

However, a new variant recently detected by antivirus Symantec .
Each peer in the zombie network can act as a C&C server, while representing only a single unit
Other changes noted by Symantec, include greater use ofUDP instead of TCP to make it harder to track and dump data exchanges, and modifications to the compression and encryption used.

Before Image unavailable (removed by its host) After Image unavailable (removed by its host) Each bot is a web server

As explained above, the control messages that were previously handled by the C&C server are now handled by other peers in the zombie network.

These messages are exchanged via the HTTP protocol, so the bot was updated to include nginx, an open source, minimal web server. With this, each bot is capable of handling HTTP requests, which means it can perform C&C functions. Image unavailable (removed by its host) The old standard version used HTTP POST requests to C&C servers
Image unavailable (removed by its host) The new version sends POST requests to a peer, using a random TCP port



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Last edited by MamieSophie on Thu 23 Feb 2012 22:22, edited 1 time in total.
Reason: Corrigé!
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sniper3d
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Re: Zeusbot/SpyEye Bot Variant

Post by sniper3d »

Automatically translated from French.

Added info :bravo:

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