danger/Patch_file
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danger
2024-10-27 14:51:41 +08:00
parent 1f32ffbe34
commit a1f1cebfb3
1 changed files with 4 additions and 7 deletions
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11
binary_patch.py
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@@ -76,13 +76,10 @@ def patch_strcpy(nbytes, save_path, output=True):
push rcx; push rcx;
push rdx; push rdx;
xor rcx, rcx; xor rcx, rcx;
loop:
mov rdx, {nbytes-1}; mov rdx, {nbytes-1};
mov al, [rcx + rsi]; mov byte ptr [rdx + rsi], 0;
loop:
cmp rcx, rdx; mov al, [rsi + rcx];
jge ret_code;
test al, al; test al, al;
je ret_code; je ret_code;
@@ -90,7 +87,7 @@ def patch_strcpy(nbytes, save_path, output=True):
inc rcx; inc rcx;
jmp loop; jmp loop;
ret_code: ret_code:
mov [rsi + rcx], al; mov [rsi + rcx], al;
pop rdx; pop rdx;