Replaces the CTF-like flag with another secret

Author: iosifache

tests/test_zeratool_binaries.py

@@ -19,7 +19,7 @@ def test_bof_with_nx() -> None:
         "zeratool_binaries/bin/bof_nx_32.elf",
         input_stream=ZeratoolInputStreams.STDIN,
         overflow_only=False,
-        leak_format=b"{.*}",
+        leak_format=b"(.*)BEGIN PRIVATE KEY(.*)",
         skip_check=True,
     )
 
@@ -33,7 +33,7 @@ def test_bof_with_win_function() -> None:
         input_stream=ZeratoolInputStreams.STDIN,
         overflow_only=True,
         win_funcs=["get_secret"],
-        leak_format=b"{.*}",
+        leak_format=b"(.*)BEGIN PRIVATE KEY(.*)",
         skip_check=True,
     )
 

tests/zeratool_binaries/buffer_overflow.c

@@ -5,7 +5,7 @@
 #ifdef win_func
 void get_secret()
 {
-    puts("flag{you_did_it}");
+    puts("---BEGIN PRIVATE KEY---");
 }
 #endif