Class | Backdoor |
Platform | Win32 |
Description |
Technical DetailsThis Troajn program can be used for remote administration of the victim machine. It has both a client and a server component. The server component is written in Microsoft Visual C++. It is 28672 bytes in size, and is not packed in any way. The client component is also written in Microsoft Visual C++, and it 32768 bytes in size. It is not packed in any way. PayloadThe remote malicious user launches the client component on his/ her machine. This makes it possible to send commands to the server component which is installed on the victim machine. The malicious user has to give the address of the victim machine. The program contains the following strings: AckCmd 1.1 – The Ack Command Prompt for Windows 2000
– (c) 2000, **** Vidstrom, ****.vidstrom@****curity.nu – For instructions see http://****curity.nu/toolbox/ackcmd/ The server component makes it possible for the remote malicious user to open the command line on the victim machine and execute commands via the command line on the victim machine. The interesting feature about this backdoor is that it only uses ACK packets. This means that a standard connection is not established; rather, data will be transmitted directly using ACK packets. This makes it possible for the Trojan to bypass some firewalls. The backdoor does not have any replication routine. Removal instructions
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