include <stdlib.h>
include <stdio.h>
include <string.h>
include <math.h>
int login(void){ double v0; // st7 signed int v1; // eax signed int v2; // ecx int v3; // edi int v4; // eax int v5; // ebx int v6; // edi char *v7; // edx int i; // ecx char v9; // al float v11; // [esp+10h] [ebp-C8h] float v12; // [esp+24h] [ebp-B4h] double v13; // [esp+28h] [ebp-B0h] double v14; // [esp+30h] [ebp-A8h] float v15; // [esp+3Ch] [ebp-9Ch] char Text[16]; // [esp+40h] [ebp-98h] BYREF char v17[44]; // [esp+50h] [ebp-88h] BYREF float v18; // [esp+7Ch] [ebp-5Ch] char v19[32]; // [esp+80h] [ebp-58h] BYREF char Str[56]; // [esp+A0h] [ebp-38h] BYREF system("cls"); v14 = 1.3; v15 = 1.3; do { v13 = -1.2; v0 = -1.2; do { v11 = v0 * v0; v12 = v15 * v15; if ( pow(v12 + v0 * v0 - 1.0, 3.0) - v11 * v15 * v15 * v15 <= 0.0 ) putchar(42); else putchar(32); v18 = v13 + 0.05; v13 = v18; v0 = v18; } while ( v18 <= 1.2 ); Sleep(0x28u); putchar(10); v15 = v14 - 0.1; v14 = v15; } while ( v15 >= -1.1 ); puts("-----Welcome to the landing page-----"); printf("------Enter your name:"); scanf("%s", Str); printf("------Enter your password:"); scanf("%s", v19); v1 = strlen(Str); v2 = 0; if ( v1 <= 0 ) {LABEL_12: v4 =[股指期货](https://www.gendan5.com/ff/sf.html) MessageBoxA(0, "Login Successfully!", "UNCTF2021", 0x24u); if ( v4 == 1 || v4 == 6 ) { v5 = 0; qmemcpy(v17, "pqsd`fl{zmpZsag}wdYVkUNC", 24); //flag对这串字符串进行变换失去 v6 = 0; do { v7 = &v17[v5]; for ( i = 2; i >= 0; --i ) { v9 = *v7; v7 += 8; Text[v6++] = v9 ^ 0x16; } ++v5; } while ( v5 <= 4 ); Text[v6] = 0; MessageBoxA(0, Text, "UNCTF2021", 0x40u); } } else { v3 = 0; while ( v19[v2] == v3 + Str[v2] ) //这里Str中是输出的账号,v19是输出的明码,要满足这样一种关系才可能登录胜利 { ++v2; v3 += 2; if ( v2 >= v1 ) goto LABEL_12; } MessageBoxA(0, "Longin Failed!", "UNCTF2021", 0x40u); } return system("pause");