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Copy pathwrapper.asm
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50 lines (43 loc) · 1.12 KB
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EXTERN HijackLogic: PROC ; 引用外部函数
EXTERN g_transfer_zone: QWORD ; 引用外部变量
.CODE
; 栈对齐:在 64 位模式下,调用函数时栈必须是 16 字节对齐的
HijackLogicWarpper PROC
push rbx ; 压入通用寄存器
push rcx
push rdx
push rsi
push rdi
push rbp
push r8
push r9
push r10
push r11
push r12
push r13
push r14
push r15
pushfq ; 压入eflags
sub rsp, 28h ; 栈对齐
mov rcx, r9 ; 传参 参数为父函数的arg4
call HijackLogic ; 调用HijackLogic 修改KeyClass内存
add rsp, 28h ; 恢复栈
popfq ; 恢复eflags
pop r15
pop r14
pop r13
pop r12
pop r11
pop r10
pop r9
pop r8
pop rbp
pop rdi
pop rsi
pop rdx
pop rcx
pop rbx ; 恢复通用寄存器
mov rax, qword ptr [g_transfer_zone] ; rax赋值g_transfer_zone
jmp rax ; 跳转中转内存执行原指令
HijackLogicWarpper ENDP
END