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IDA Plugins: Stealth

File Information
Category Open Source # Downloads Version
IDA Plugins Yes 5,384 1.0

Download from OpenRCE
MD5 Sum: 61E81DC742A4E554E049BD773BFABDCE

Last updated on Mar 28, 2006.

Author Information
Username Name E-Mail URL
  ilfak Ilfak Guilfanov ighexblogcom http://

Description Anti-anti-debugger plugin for IDA Pro. (Stealth). Version 1.0.
Hides IDA Pro from the application and disables some potentially dangerous Windows API functions.

The plugin uses one simple trick: a conditional breakpoint at the beginning of an API function so that the breakpoint condition changes the execution flow to make the function immediately return to the caller without doing anything. Here is a condition example:

(EIP=retaddr) && (EAX=0)

In other words, we jump to the 'ret' instruction and set EAX to the desired value. Zero in the condition can be replaced by any other value we want to return from the function.

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