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Which apps are malicious?
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<blockquote data-quote="tim one" data-source="post: 700240" data-attributes="member: 25920"><p>Agreed with the above comments.</p><p></p><p>Malicious app can allow code at runtime, patch the process relocation table and get the base pointer of the module using dlopen for example.</p><p>Given its pointer it search the symbol inside the reloc table by index and finally patching it with its own hook function address.</p><p>Once the hook function is called, it will log its parameters and then call the original function.</p><p>It seems newest Android versions will block calls to dlopen from within a non-privileged process but I'm not entirely sure.</p></blockquote><p></p>
[QUOTE="tim one, post: 700240, member: 25920"] Agreed with the above comments. Malicious app can allow code at runtime, patch the process relocation table and get the base pointer of the module using dlopen for example. Given its pointer it search the symbol inside the reloc table by index and finally patching it with its own hook function address. Once the hook function is called, it will log its parameters and then call the original function. It seems newest Android versions will block calls to dlopen from within a non-privileged process but I'm not entirely sure. [/QUOTE]
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