Cisco Password 7方式的密码破解程序+工具

/*
* * descambles cisco IOS type-7 passwords
* * found somewhere on the internet, slightly modified, anonymous@segfault.net
* *
* * gcc -Wall -o ciscocrack ciscocrack.c
* * ./ciscocrack 01178E05590909022A
* *
* */

#include <stdio.h>
#include <ctype.h>

char xlat[] = {
0x64, 0x73, 0x66, 0x64, 0x3b, 0x6b, 0x66, 0x6f,
0x41, 0x2c, 0x2e, 0x69, 0x79, 0x65, 0x77, 0x72,
0x6b, 0x6c, 0x64, 0x4a, 0x4b, 0x44, 0x48, 0x53,
0x55, 0x42
};
int
cdecrypt(char *enc_pw, char *dec_pw)
{
unsigned int seed, i, val = 0;

if(strlen(enc_pw) & 1)
return(-1);

seed = (enc_pw[0] - 0) * 10 + enc_pw[1] - 0;

if (seed > 15 || !isdigit(enc_pw[0]) || !isdigit(enc_pw[1]))
return(-1);

for (i = 2 ; i <= strlen(enc_pw); i++) {
if(i !=2 && !(i & 1)) {
dec_pw[i / 2 - 2] = val ^ xlat[seed++];
val = 0;
}

val *= 16;

if(isdigit(enc_pw[i] = toupper(enc_pw[i]))) {
val += enc_pw[i] - 0;
continue;
}

if(enc_pw[i] >= A && enc_pw[i] <= F) {
val += enc_pw[i] - A + 10;
continue;
}

if(strlen(enc_pw) != i)
return(-1);
}

dec_pw[++i / 2] = 0;

return(0);
}

void
usage()
{
fprintf(stdout, "Usage: ciscocrack <encrypted password> ");
}

int
main(int argc, char *argv[])
{
char passwd[65];

memset(passwd, 0, sizeof(passwd));

if(argc != 2)
{
usage();
exit(1);
}

if(cdecrypt(argv[1], passwd)) {
fprintf(stderr, "Error ");
exit(1);
}
printf("Passwd: %s ", passwd);

return 0;
}

 

[caption id="" align="alignnone" width="619"] Natty-cakes[/caption]

工作需要,百谷一番,有不错收获。

极速破解 :

 121B501E410C5A0C7E / b5i3g6h4

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Last modification:January 2nd, 2018 at 12:17 am
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