How to use memory hacker

2024/05/20

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Hacker how from memory middle extractshellcode breakpoint address conduct

1. Exist Memory Middle distributeshellcode of commonly used method yes UseVirtualalloc come distribute tool something need permissions of memory . Then malicious software usertlmovememory willshellcode write distribute of space . Then create one thread will control transfer arrive the bit set . Shellcode within live middle of location How From memory middle extractshellcode 1. Us can so that useapihooks come extractshellcode . Exist anyapi transfer superior set up breakpoint yes very common of . I will make

Hacker use memory design loopholes two minutes at once can take succeed machine permissions

Glitch yes depend on two items attack place composition， first use bypass attack(side channel) come judge Memory Of layout， again implement can flip bits ofrowhammer attack . Entire malicious attack of scenes yes Hacker First design one malicious website， induceandroid cell phone byfirefox orchrome browser access the site， since remotely implementjava， at once able miningrowhammer loopholes， obtain system highest permissions . Vusec lab illustrate， implementrowhammer attack need access idle memory， because

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Shellcode injection that is pass willdlopen/dlsym library functions of operate put onshellcode code middle， injection function only pass right remotelyapp process conduct Memory Space apply， then reviseshellcode code middle relateddlopen ，dlsymdlclose wait function Use Arrive of parameter information， then willshellcode code injection arrive remotelyapp process apply of space middle， at last pass revisepc register of way come implementshellcode of code .

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Q create processapi: introduce UseWinexec ，shellexecute as well ascreateprocess create process . Q breakthroughsession 0 isolation create process: main passcreateprocessasuser function reality currently in use household process create . Q Memory Direct load run: simulationpe load device， direct willdll andexe waitpe document add loaded memory and start up run . 4.1 Create processapi

Hacker class others article: bundle dynamic library of memory operate play out got it new tricks! ， 21Ic electronic network

Elf UseSht come record allsection of basic information . Main include:section of type ， exist document middle of offset ， size ， add loaded Memory Back of virtual memory relatively address ， memory middle byte of alignment way wait . Libtest.so ofsht: caikelun@debian:~$ arm，linux，androideabi，readelf ，s ./libtest.so there are 25 section headers， starting at offset 0x31c8:

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Can execution power limit of appear， make injection code attack lose got it survive of soil . To this end， Hacker Again invention got it a sort of new attack method， called for return programming attack . And injection code attack from remotely injection instruction finish attack different， for return programming attack Use Current program middle already of code fragment， and right these code fragment conduct reorganization， by accomplish malicious behavior . These fragment possible itself no malicious behavior， but if reorganization if， meeting convenient show malicious behavior .

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Exist relatively early days of confrontation middle， because protection mechanism less， attacker meeting choose some compare“ shallow” of way use Memory Destroy loopholes， for example stack overflow destroy return address ， destroyseh . Heap overflow destroy two，way linked list， come structuredword shoot( to be honest that is onewrite what where) . And now， simple of destroy already no longer mingle effect， attacker at once turn around go look for even worth quilt destroy of object， for example destroy lose array oflength ，base come

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Exist injection Memory Horse of process among， us possible need used reflection mechanism， for example injection oneservlet type of memory horse， us need Use Reflection mechanism come obtain current ofcontext， then will malicious ofservlet(wrapper) add add to current ofcontext ofchildren middle . Exist usejava reflection mechanism hour， main step include: ① obtain target type ofclass object
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