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vmprofiler/src/vmctx.cpp

31 lines
926 B

#include <vmprofiler.hpp>
namespace vm {
ctx_t::ctx_t(std::uintptr_t module_base, std::uintptr_t image_base,
std::uintptr_t image_size, std::uintptr_t vm_entry_rva)
: module_base(module_base),
image_base(image_base),
image_size(image_size),
vm_entry_rva(vm_entry_rva) {}
bool ctx_t::init() {
vm::util::init();
if (!vm::util::flatten(vm_entry, vm_entry_rva + module_base)) return false;
vm::util::deobfuscate(vm_entry);
if (!vm::calc_jmp::get(vm_entry, calc_jmp)) return false;
if (auto vm_handler_table = vm::handler::table::get(vm_entry);
!vm::handler::get_all(module_base, image_base, vm_entry, vm_handler_table,
vm_handlers))
return false;
if (auto advancement = vm::calc_jmp::get_advancement(calc_jmp);
advancement.has_value())
exec_type = advancement.value();
else
return false;
return true;
}
} // namespace vm