February 2012
Intermediate to advanced
800 pages
23h 55m
English
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Lab 7-3 Solutions
Short Answers
This program achieves persistence by writing a DLL to C:\Windows\System32 and modifying every .exe file on the system to import that DLL.
The program is hard-coded to use the filename kerne132.dll, which makes a good signature. (Note the use of the number 1 instead of the letter l.) The program uses a hard-coded mutex named
SADFHUHF.The purpose of this program is to create a difficult-to-remove backdoor that connects to a remote host. The backdoor has two commands: one to execute a command and one to sleep.
This program is very hard to remove because it infects every .exe file on the system. It’s probably best in this case to restore from backups. If restoring from backups is particularly difficult, you could leave ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.