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ELF process dumping trickery |
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ELF process dumping trickery Par C skillsLe [2011-02-02] à 12:00:17
Présentation : I made a small tool available here which allows to dump ELF binaries from memory to disk in cases where the original image has been altered deleted crypted etc. There is no way to make it 100pourcents reliable as the state of the program might not be the same as when just loaded and therefore you can have dangling pointers etc. in .data. However it works surprisingly well for a lot of programs. Some info is lost during loading anyway and has to be restored heuristically. We rely on linear ascending PLT jump-slots for example. I only tested it on x86-64 but it has basic support for x86 as well. The de-relocation of the image has to be checked though. All other architectures like PPC64 etc. can easily be added by adding appropriate R_ types to the switch clause.
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- avec iptables "iptables -A INPUT -s 88.191.75.173 --dport 80 -j DROP"
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