Q. What is the Trojan/Backdoor.Hacarmy.D?

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Q. What is the file extension used for screen savers?

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Q. What is the purpose of using a file name like "Webcam Shots.scr" for the Trojan?

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Q. How is the Trojan/Backdoor.Hacarmy.D typically distributed?

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Q. What is the purpose of running an executable through DUMPBIN or a similar program?

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Q. What is UPX?

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Q. Why does the Backdoor program use UPX?

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Q. How can the problem of reversing the program in its compressed form be avoided?

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Q. What should be done after permanently decompressing the Backdoor program with UPX?

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Q. Why is reversing the Backdoor program in its decompressed form a more straightforward task?

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Q. Is it always possible to automatically unpack a program?

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Q. What precaution should be taken before running the Backdoor program?

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Q. What is the Backdoor packed with?

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Q. Why is it slightly annoying to reverse the program in its compressed form?

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Q. How can you permanently decompress the program?

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Q. What is the most important code area in communicating with the backdoor?

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Q. What character do backdoor commands start with?

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Q. What is the significance of the private-message packet in communicating with the backdoor?

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Q. What happens if the first character of the actual message in the PRIVMSG command is not an exclamation mark?

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Q. What is the purpose of the "!socks4" command in the backdoor program?

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