hexhosts.c

hexhosts.c

# Via: https://up1ink.tumblr.com/post/132370869368/bruteforcing-knownhosts-file-with-hashcat
# Credit: https://github.com/persona5/hexhosts

#define _GNU_SOURCE
#include "" 
#include ""
int main(void)    {
    
    FILE *fp;
    char *line = NULL;
    char *pch = NULL;
    char *pch2 = NULL;
    unsigned char b64[24];
    size_t len = 0;
    ssize_t read;
    
    fp = fopen("known_hosts", "r");
    
    if (fp == NULL)
    return 1;
    
    while ((read = getline(&line, &len, fp)) != -1)    {
        pch=strtok(line+3," ");
        pch=strtok(pch,"|");
        pch2=strtok(NULL,"|");
        __b64_pton(pch2,b64,sizeof(b64));
        
        for (int i=0; i<20; i++)    {
            printf("%02x", b64[i]);
        }
        
        printf(":");
        __b64_pton(pch,b64,sizeof(b64));
        
        for (int i=0; i<20; i++)    {
            printf("%02x", b64[i]);
        }
        
        printf("n");
    }
    
    return 0;
}

# root@neo:~/.ssh# gcc hexhosts.c -lresolv -w -o hexhosts
# root@neo:~/.ssh# ./hexhosts
# a7453898831af52ada58c964832f6a36f04b9927:2be1fc63b56a3f49c6c25e61beeb0887bf5c4e9d
# root@neo:~/.ssh#

# GEt ipv4.hcmask
# http://pastebin.com/4HQ6C8gG

./hashcat-cli64.bin -a 3 -m 160 hash.txt ipv4.hcmask --hex-salt