February 2012
Intermediate to advanced
800 pages
23h 55m
English
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Lab 16-1 Solutions
Short Answers
The malware checks the status of the
BeingDebugged,ProcessHeap, andNTGlobalFlagflags to determine if it is being run in a debugger.If any of the malware’s anti-debugging techniques succeed, it will terminate and remove itself from disk.
You can manually change the jump flags in OllyDbg during runtime, but doing so will get tedious since this malware checks the memory structures so frequently. Instead, modify the structures the malware checks in memory either manually or by using an OllyDbg plug-in like PhantOm or the Immunity Debugger (ImmDbg) PyCommand
hidedebug.See the detailed analysis for a step-by-step way to dump and modify the structures in OllyDbg.
Both the OllyDbg plug-in PhantOm and the ImmDbg PyCommand ...
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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.