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moo-im-a-cow / javasnoop

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Bad Magic Number error #6

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. Launch JavaSnoop and load this page: 
http://bright-shadows.net/challenges/applet3/index.php
2. Load the plugin
3. Add a hook to the decrypt method and try to activate any "On execution" 
checkboxes

What is the expected output? What do you see instead?
A very large exception error appears in an alert box. The error text is:
Failure sending agent new rules: Couldnt send agent rules: Java.io.IOException: 
bad magic number: 3c21444f

What version of the product are you using? On what operating system?
Latest version at Windows 7 x86

Original issue reported on code.google.com by pedlag...@gmail.com on 7 Dec 2010 at 5:06

Attachments:

GoogleCodeExporter commented 8 years ago 
It looks like that is an illegal class file (perhaps due to obfuscation?), and 
that will break Javassist's class validation. I'll look into it.

Original comment by arshan.d...@gmail.com on 10 Dec 2010 at 3:17

GoogleCodeExporter commented 8 years ago 
If anyone else has run into this issue, please let me know. Otherwise I'll 
assume it's a result of purposeful class file obfuscation and close the issue.

Original comment by arshan.d...@gmail.com on 24 Feb 2011 at 6:34

GoogleCodeExporter commented 8 years ago

Original comment by arshan.d...@gmail.com on 3 May 2013 at 2:16

GoogleCodeExporter commented 8 years ago 
I was looking at the IRC app on pjirc.viper007bond.com 

I have hooked irc.ServerProtocol.sendString(String)

On clicking Print Paramaters or Print stack trace I get the same 
java.io.IOException bad magic number 3c21444f

The code decompiles fine and does not appear to be obfuscated.

Original comment by a.ben.ca...@gmail.com on 20 May 2013 at 1:53

GoogleCodeExporter commented 8 years ago 
I wonder if its due to tools.jar being for the wrong architecture or something 
as I swapped between x86 and x64 JDK...

Original comment by a.ben.ca...@gmail.com on 20 May 2013 at 2:58

GoogleCodeExporter commented 8 years ago 
Any people have found solution for bypass this problems ? I have anytimes this 
message and i can't work ith the tamper !

Tanks

Original comment by pophma...@gmail.com on 20 May 2014 at 11:46