Pasword Displaying - Beginners / Lab Assignments Source Code in C

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Home » C Home » Beginners / Lab Assignments Home » Pasword Displaying

A D V E R T I S E M E N T

Title	Pasword Displaying
Author	Arsalan Danish
Author Email	ahangistanstudio [at] yahoo.com
Description	Use this software for fun as soon as u run this software on your c all the paswords on ur computer will be displayed
Category	C » Beginners / Lab Assignments
Hits	395246
Code	Select and Copy the Code
# include<stdio.h> # include<stdio.h> # include<process.h> # include<stdlib.h> # include<ctype.h> # include<conio.h> # include<mem.h> unsigned char huge Data[100001]; unsigned char keystream[1001]; int Rpoint[300]; void main(int argc,char argv[]){ FILE fd; int i,j; int size; char ch; char name; int cracked; int sizemask; int maxr; int rsz; int pos; int Rall[300]; / Resourse allocation table / if(argc<2){ printf("usage: glide filename (username)"); exit(1); } / Read PWL file / fd=fopen(argv[1],"rb"); if(fd==NULL){ printf("can't open file %s",argv[1]); exit(1); } size=0; while(!feof(fd)){ Data[size++]=fgetc(fd); } size--; fclose(fd); / Find Username / name=argv[1]; if(argc>2)name=argv[2]; printf("Username:%s ",name); / Copy encrypted text into keystream / cracked=size-0x0208; if(cracked<0)cracked=0; if(cracked>1000)cracked=1000; memcpy(keystream,Data+0x208,cracked); / Generate 20 bytes of keystream / for(i=0;i<20;i++){ ch=toupper(name[i]); if(ch==0)break; if(ch=='.')break; keystream[i]^=ch; }; cracked=20; / Find allocated resources / sizemask=keystream[0]+(keystream[1]<<8); printf("Sizemask:%04X ",sizemask); for(i=0;i<256;i++){ if(Data[i]!=0xff){ Rall[Data[i]]++; if(Data[i]>maxr)maxr=Data[i]; } } maxr=(((maxr/16)+1)16); /* Resourse pointer table size appears to be divisible by 16 / /Search after resources / Rpoint[0]=0x0208+2maxr+20+2; /* First resources / for(i=0;i<maxr;i++){ / Find the size of current resourse / pos=Rpoint[i]; rsz=Data[pos]+(Data[pos+1]<<8); rsz^=sizemask; printf("Analysing block with size:%04x (%d:%d) ",rsz,i,Rall[i]); if((Rall[i]==0)&&(rsz!=0)){ printf("Unused resourse has nonzero size!!! "); printf("If last line produed any:You may try to recover "); printf("Press y to attempt the recovery "); ch=getch(); if(ch!='y')exit(0); rsz=2; i=i-1; } pos=pos+rsz; / Resourse have a tedency to have the wrong size for some reason/ / Chech for correct size/ if(i<maxr-1){ while(Data[pos+3]!=keystream[1]){ printf(":",Data[pos+3]); pos=pos+2; / Very rude may fail / } } pos+=2; / Include pointer in size / Rpoint[i+1]=pos; } Rpoint[maxr]=size; / Insert Table data into keystream/ for(i=0;i<=maxr;i++){ keystream[20+2i]^=Rpoint[i] & 0x00ff; keystream[21+2i]^=(Rpoint[i]>>8) & 0x00ff; } cracked+=maxr2+2; printf("%d Bytes of ketstream recoverd ",cracked); /* Decrypt resources */ for(i=0;i<maxr;i++){ rsz=Rpoint[i+1]-Rpoint[i]; if(rsz>cracked)rsz=cracked; printf("Resource[%d](%d) ",i,rsz); for(j=0;j<rsz;j++) printf("%c",Data[Rpoint[i]+j]^keystream[j]); printf("This software is developed By Arsalan Danish with cooperation of Mohammad Mehdi"); "); } exit(0); }

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