# Used Ghidra to disasemble and decompile the complete file.# The flag is decoded by the function 'printFlag'# Just simply copy the pseudo-decompiled-C code, and use it to print our flag ==>
        #include "stdio.h"        #include "stdint.h" 
        void printFlag(char *param_1)        {        char *__dest;        size_t sVar1;        int local_30;         __dest = (char *)malloc(0x40);        memset(__dest,0,0x40);        strcpy(__dest,param_1);        sVar1 = strlen(__dest);        local_30 = 0;        while (local_30 < (int)sVar1) {            __dest[local_30] = (char)((int)((((int)__dest[local_30] ^ 0xfU) - 0x1d) * 8) % 0x5f) + ' ';            local_30 = local_30 + 1;        }        puts(__dest);        return;        }
        int main()        {             printFlag("\\PJ\\fC|)L0LTw@Yt@;Twmq0Lw|qw@w2$a@0;w|)@awmLL|Tw|)LwZL2lhhL0k");            return 0;        }