Crash with unexpected signals (fucktards only !)

2 files changed, 28 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 7933f7e..255c42c 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,10 @@ directory:
 
 prog: detection crash
 
-crash: header_screwer 10123
+crash: header_screwer 10123 signals
+
+signals:
+        $(CC) $(CFLAGS) ./crash/signals.c -o $(OUTPUT_DIR)$@
 
 10123:
         $(CC) $(CFLAGS) ./crash/10123.c -o $(OUTPUT_DIR)$@
diff --git a/crash/signals.c b/crash/signals.c
new file mode 100644
index 0000000..3a8c143
--- /dev/null
+++ b/crash/signals.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+
+void handler(int sig){
+    printf("No debugger, or passed signals\n");
+
+    //Put your code here
+
+    _exit(0);
+}
+
+int main(){
+    /*
+     * Not everyone is clever enough to
+     * think that a SIGEGV/SIGILL is rightful ;)
+     */
+
+    signal(SIGSEGV, handler);
+    __asm__("movl $1, %eax");
+
+    signal(SIGILL, handler);
+    __asm__("ud2");
+}