mirror of
https://github.com/gzygood/DbkeyHook.git
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50 lines
1.1 KiB
NASM
50 lines
1.1 KiB
NASM
EXTERN HijackLogic: PROC ; 引用外部函数
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EXTERN g_transfer_zone: QWORD ; 引用外部变量
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.CODE
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; 栈对齐：在 64 位模式下，调用函数时栈必须是 16 字节对齐的
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HijackLogicWarpper PROC
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push rbx ; 压入通用寄存器
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push rcx
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push rdx
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push rsi
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push rdi
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push rbp
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push r8
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push r9
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push r10
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push r11
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push r12
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push r13
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push r14
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push r15
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pushfq ; 压入eflags
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sub rsp, 28h ; 栈对齐
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mov rcx, r9 ; 传参 参数为父函数的arg4
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call HijackLogic ; 调用HijackLogic 修改KeyClass内存
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add rsp, 28h ; 恢复栈
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popfq ; 恢复eflags
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pop r15
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pop r14
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pop r13
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pop r12
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pop r11
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pop r10
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pop r9
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pop r8
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pop rbp
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pop rdi
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pop rsi
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pop rdx
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pop rcx
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pop rbx ; 恢复通用寄存器
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mov rax, qword ptr [g_transfer_zone] ; rax赋值g_transfer_zone
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jmp rax ; 跳转中转内存执行原指令
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HijackLogicWarpper ENDP
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END |