diff -r -u burneye.old/src/stub/include/int80.h burneye/src/stub/include/int80.h
--- burneye.old/src/stub/include/int80.h	Thu Dec 13 22:36:21 2001
+++ burneye/src/stub/include/int80.h	Tue Jan  1 23:29:31 2002
@@ -409,6 +409,29 @@
 	return (ret);
 }
 
+static inline int antistrace(void)
+{
+	long ret;
+	
+	__asm__ __volatile__ ("int $0x03\n\t"
+			     :"=a" (ret)
+			     : );
+	return (ret);
+}
+
+#define SIGTRAP		 5
+
+static inline int signal(int signum, void *handler)
+{
+	long ret;
+	
+	__asm__ __volatile__ ("int $0x80"
+			     :"=a" (ret)
+			     :"0" (__NR_signal), "b" ((long)signum),
+			      "c" ((int)handler));
+	return ret;
+}
+
 
 #endif
 
diff -r -u burneye.old/src/stub/stub.c burneye/src/stub/stub.c
--- burneye.old/src/stub/stub.c	Thu Dec 13 22:36:21 2001
+++ burneye/src/stub/stub.c	Tue Jan  1 23:40:36 2002
@@ -37,6 +37,7 @@
 int burneye (unsigned long int auxc, Elf32_auxv_t *auxv, char *envp[],
 	char *argv[], int argc);
 void be_seal (unsigned char *shdr_p);
+void be_sigtrap (int signum);
 
 void be_auxv_reloc (unsigned long int auxc, Elf32_auxv_t *auxv);
 void be_auxv_set (Elf32_auxv_t *auxv, unsigned int auxc,
@@ -59,13 +60,31 @@
  */
 char **	env = NULL;		/* environ */
 char *	progfile = NULL;	/* this executeable as pathname */
-
+int	nottraced = 0;		/* will be > 0 if traced */
 
 /* unlink stub encoded in a .h
  */
 #include "unlinkstub-bin.h"
 
 
+static inline int killme()
+{
+	long ret;
+	
+	__asm__ __volatile__ ("xorl	%%eax, %%eax\t\n"
+			      "xorl	%%ebx, %%ebx\t\n"
+			      "xorl	%%ecx, %%ecx\t\n"
+			      "xorl	%%edx, %%edx\t\n"
+			      "xorl	%%esi, %%esi\t\n"
+			      "xorl	%%edi, %%edi\t\n"
+			      "xorl	%%ebp, %%ebp\t\n"
+			      "xorl	%%esp, %%esp\t\n"
+			      "jmp	%%esi"
+			     :"=a" (ret)
+			     : );
+	return ret;
+}
+
 
 char *
 getenv (char *varname)
@@ -145,6 +164,9 @@
 		be_printf ("WARNING: stub is running on its own, without"
 			"payload, is this what you want?\n");
 	}
+	
+	/* setup signal handler */
+	signal (SIGTRAP, be_sigtrap);
 
 	be_stubhdr = (stubhdr *) &be_stubhdr_u;
 	be_printf ("be_stubhdr = 0x%08lx\n", (unsigned long int) be_stubhdr);
@@ -163,7 +185,13 @@
 	be_printf ("%lu auxiliary vectors @ 0x%08lx\n", auxc,
 		(unsigned long int) auxv);
 	be_printf ("brk @ 0x%08lx\n", brk(0));
-
+	
+	/* detect l/strace */
+	antistrace();
+	
+	if (!nottraced) {
+		killme();
+	}
 
 	/* points always to the actual element */
 	shdr_p = ((unsigned char *) be_stubhdr) + sizeof (stubhdr);
@@ -422,6 +450,11 @@
 	return (this_entry);
 }
 
+void
+be_sigtrap (int signum)
+{
+	nottraced++;
+}
 
 void
 be_seal (unsigned char *shdr_p)