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Home Downloads

A look into HTTP botnets – Umbra Loader

Paul Anderson by Paul Anderson
April 1, 2012 - Updated on May 30, 2016
in Downloads, Malware
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Umbra Loader is a popular  HTTP botnet open source project, and   version 1.1.1 has been released recently by the developer, Slayer616.

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Slayer616 provides programs that he coded on his blog, including his Schwarze Sonne RAT available on code.google.com and Umbra Loader.  Umbra Loader is popular as it’s open source, no dependencies as it is coded in Delphi and somewhat stable.

There have been Umbra loader based botnets found in the wild, here is one that has been exposed.

Webroots Analysis on Umbra Loader.

Release Notes:

Changelog:
[Version 1.1.1]
– added Registry-Persistance
– added Melt
– fixed installation process
– tweaked MD5

HowTo build loader:
-Compile /Binary/prjLoader_XE2.dpr with Delphi XE2
-Copy /Binary/prjLoader_XE2.exe to /Builder/stub/stub.exe
-Compile /Builder/prjBuilder.dpr with Delphi XE2
-run prjBuilder.exe

HowTo setup panel:
-create new table in phpMyAdmin
-edit /Panel/Panel/inc/config.php
-upload /Panel/ to your webhost
-use /Panel/Panel/install.php to install database
-delete /Panel/Panel/install.php
-done!

Pictures of the web panel:

umbrPanel

builder:

umbrBuilder2

 

 Download

Tags: botbotnetherderhttpmalwarenetumbraloader
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Paul Anderson

Paul Anderson

Editor and chief at ZeroSecurity. Expertise includes programming, malware analysis, and penetration testing. If you would like to write for ZeroSecurity, please click "Contact us" at the top of the page.

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