A remote administration utility which bypasses normal security mechanisms to secretly control a program, computer or network.
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Poison Ivy Remote Administration Tool (RAT) variants are created and controlled by a Poison Ivy management program or kit.The Poison Ivy kit has a graphical user interface and is actively developed. The servers (the actual backdoors) are very small and are typically under 10kB in size. The size can however be considerably different if a packer or protector has been used to obfuscate the file.
Once executed, the backdoor copies itself to either the Windows folder or the Windows\system32 folder. The filename and locations are defined by the creator of the backdoor when using the Poison Ivy kit to create the server program.Some variants of Poison Ivy are capable of copying themselves into an Alternate Data Stream.
A registry entry will be added to ensure the backdoor is started every time the computer is booted up. The server then connects to a client using an address defined when the server-part was created. The communication between the server and client programs is encrypted and compressed. Below is the screenshot of the client application:
Poison Ivy can be configured to inject itself into a browser process before making an outgoing connection to help in bypassing firewalls.
Backdoor:W32/PoisonIvy gives the attacker practically complete control over the infected computer. Exact functionality depends on the variant in question but the following are the most common operations available to the attacker. Operations:
Other functionality includes viewing a list of open windows or starting a remote command shell on the infected computer. Poison Ivy variants can also steal information by taking screenshots of the desktop and recording audio or webcam footage. They can also access saved passwords and password hashes.
Some variants also have a keylogger. Additional features not provided by the Poison Ivy configuration kit can be added by third party plugins.