0day book

Author: jas502n

01基础知识/crack_me(cracked).exe

@@ -0,0 +1,45 @@
+/*****************************************************************************
+      To be the apostrophe which changed "Impossible" into "I'm possible"!
+		
+POC code of chapter 3.7 in book "Vulnerability Exploit and Analysis Technique"
+ 
+file name	: crack_me.c
+author		: failwest  
+date		: 2006.9.20
+description	: used as a simple demo to show how to crack a PE file   
+Noticed		: should be complied with VC6.0 and build into release version  
+version		: 1.0
+E-mail		: [email protected]
+		
+	Only for educational purposes    enjoy the fun from exploiting :)
+******************************************************************************/
+
+#include <stdio.h>
+#define PASSWORD "1234567"
+int verify_password (char *password)
+{
+	int authenticated;
+	authenticated=strcmp(password,PASSWORD);
+	return authenticated;
+}
+
+main()
+{
+	int valid_flag=0;
+	char password[1024];
+	while(1)
+	{
+		printf("please input password:       ");
+		scanf("%s",password);
+		valid_flag = verify_password(password);
+		if(valid_flag)
+		{
+			printf("incorrect password!\n\n");
+		}
+		else
+		{
+			printf("Congratulation! You have passed the verification!\n");
+			break;
+		}
+	}
+}

01基础知识/crack_me/Release/crack_me.exe

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+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "crack_me"=".\crack_me.dsp" - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+