initial

1 files changed, 48 insertions, 0 deletions

diff --git a/other/tsig/shellcode/shellcode.c b/other/tsig/shellcode/shellcode.c
new file mode 100644
index 0000000..0239f12
--- /dev/null
+++ b/other/tsig/shellcode/shellcode.c
@@ -0,0 +1,48 @@
+/* shellcode extraction utility,
+ * by typo / teso, small mods by scut.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+extern void     cbegin ();
+extern void     cend ();
+
+
+int
+main (int argc, char *argv[])
+{
+        int             i;
+        unsigned char * buf = (unsigned char *) cbegin;
+        unsigned char   ex_buf[1024];
+
+
+        printf ("/* %d byte shellcode */\n", cend - cbegin);
+        printf ("\"");
+        for (i = 0 ; buf < (unsigned char *) cend; ++buf) {
+
+                printf ("\\x%02x", *buf & 0xff);
+
+                if (++i >= 12) {
+                        i = 0;
+                        printf ("\"\n\"");
+                }
+        }
+        printf ("\";\n");
+
+        printf("\n");
+
+        if (argc > 1) {
+                printf ("%02x\n", ((unsigned char *) cbegin)[0]);
+                printf ("%02x\n", ex_buf[0]);
+                memcpy (ex_buf, cbegin, cend - cbegin);
+                printf ("%02x\n", ex_buf[0]);
+
+                ((void (*)()) &ex_buf)();
+        }
+
+        exit (EXIT_SUCCESS);
+}
+