Threat Description

Worm:​OSX/Inqtana.B

Details

Aliases:Inqtana.B
Category:Worm
Type:Worm
Platform:OSX

Summary



OSX/Inqtana.B is a modified version of OSX/Inqtana.A that has modified startup routine so that it affects both OSX 10.4 and 10.3 that have not been patched against vulnerability CAN-2005-1333.

Inqtana.B has not been met in the wild and has internal counter that prevents it's operation after 24. February 2006. So it is unlikely that this variant would be a threat to Mac Users.



Removal



Patch your system by getting updates from Apple.

Delete following files

  • /Users/w0rms.love.apples.tgz
  • /Users/InqTest.class
  • /Users/InqTest.java
  • /Users/libavetanaBT.jnilib
  • /Users/javax
  • /Users/de
  • /Users/InqTanaHandler
  • /Users/InqTanaHandler.bundle
  • /Users/[user name]/Library/InputManagers/aa
  • /Users/[user name]/Library/InputManagers/InqTanaHandler/Info
  • /Users/[user name]/Library/InputManagers/InqTanaHandler/InqTanaHandler.bundle/aa
  • /Users/[user name]/Library/InputManagers/InqTanaHandler/InqTanaHandler.bundle/Contents/Info.plist
  • /Users/[user name]/Library/InputManagers/InqTanaHandler/InqTanaHandler.bundle/Contents/MacOS/InqTanaHandler


Technical Details



Inqtana.B arrives to victim system as OBEX Push request, requiring user to accept the data transfer. When the transfer is done Inqtana.B uses directory traversal exploit to copy it's files so that it starts when any application is started.



Detection


Inqtana.B is detected with the following F-Secure Anti-Virus updates:
Detection Type: PC
Database: 2006-02-21_01



Description Created: Jarno Niemela, February 22, 2006
Technical Details: Gergely Erdelyi, February 22, 2006
Description Last Modified: Jarno Niemela, February 22, 2006


SUBMIT A SAMPLE

Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Disinfect your Mac

F-Secure Anti-Virus for Mac will disinfect your Mac and remove all harmful files

Learn More