F-Secure Worm Information Pages : Inqtana.C [Summary] | [Disinfection] | [Detection] Name: Inqtana.C Category: Worm Platform: OSX Summary OSX/Inqtana.C 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.C 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. Inqtana.C 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. Disinfection Patch your system by getting updates from Apple Delete following files /Users/applec0re.tgz /Users/InqTest.class /Users/InqTest.java /Users/libavetanaBT.jnilib /Users/javax /Users/de /Users/environment.plist /Users/pwned.c /Users/pwned.dylib /Users/[user name]/.MacOSX/environment.plist Back to the Top Detection Inqtana.C is detected with the following F-Secure Anti-Virus updates: [FSAV_Database_Version] Version = 2006-02-21_01 Back to the Top Write-up: Jarno Niemelä Technical Details: Gergely Erdélyi Description Updated: Jarno Niemelä, February 22, 2006 F-Secure Corporation