Summary
Worm:OSX/Tored.A is a worm that propagates through infected emails and is capable of functioning as a backdoor and keylogger.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
- Check for the latest database updatesFirst, check if your F-Secure security program is using the latest updates, then try scanning the file again.
- Submit a sampleAfter checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
- Exclude a file from further scanningIf you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.Note: You need administrative rights to change the settings.
Technical Details
The Tored worm is compiled using RealBasic and has functions pertaining to glink terminal emulator.
Installation
Tored.A distributes copies of itself in infected emails. The emails have the following characteristics:
The "Subject" text is:
- For Mac OS X ! :(If you are not on Mac please transfer this mail to a Mac and sorry for our fault :)
The "From" field is:
- AppleFu(2 random letters)cker@mail.(random letters)
The body text can be any of the following:
- Hi
- Hey
- Hello
- y0
- Selem alaykom
- Friend ! :) ,
- friend
- dude
- man
- you
- fucky :D , just kidding,so
- wassup ?
- how it is going
- I missed you ! ^^
- what is up there?
- what is new ?
- how are you
- sup?
- Traducting and decrypting message .... :
- Traducting and decrypting message .... :Sir , Your Text !
- Traducting and decrypting message .... :Error For Sending ,It Is Important to Get Your Data
- Traducting and decrypting message .... :Chek It
- Traducting and decrypting message .... :Crypted Message Has Been An Attachement , To Chek Your Message , Chek Your Attchement
- Traducting and decrypting message .... :Check
- Traducting and decrypting message .... :Your Identidie Has Been ....Chek Attchement For More Information
- Traducting and decrypting message .... :You Has Been Comprimased , updating tools are as an attachement !
- Traducting and decrypting message .... :Credi Money Has Been Sent As A Binary File for thanks for the updating, Chek
- Traducting and decrypting message .... :New update tools
- Traducting and decrypting message .... :Chek your update application !
- Traducting and decrypting message .... :Your information was ...
Once executed, the worm copies itself to the startup items folder to ensure that it executes automatically at each system startup.
The worm also checks for the any virtual volumes connected on the infected machine.
Activity
On execution, Tored.A listens to TCP port 9999.
If it is able to make a remote connection, it can then perform the following actions:
- Update itself
- Perform DDOS
- Spam
- Download and execute Additional Files
- BOT functionalities
Once connected, Tored.A can also forward system information to the malware author(s), such as:
- IP address
- Mac Address and Subnet, with the text "Infected and boted by OSX.Raedbot.B++"
Tored.A also queries the Keychain application and performs the following:
- Gets the attribute
- Gets the Item
- Lock and Unlock an Item
- Delete an Item
Propagation
To find email addresses to send the email messages to, Tored.A queries the local Address book and retrieves the following information:
- Contact
- Group
- Jobtitle
- Bday
- PhoneNumbers
- Homepage
- EmailAddresses
- AIMScreenNames
- JabberScreenNames
- MSNScreenNames
- YahooScreenNames
- ICQNumbers
The worm uses its own SMTP engines to send emails to the harvested addresses. To perform its mass mail, the worm connects to the following SMTP servers:
- smtp.9online.fr
- mail.club-internet.fr
- mail.diligo.fr
- smtp.free.fr
- smtp.infonie.fr
- smtp.libertysurf.fr
- smtp.nerim.fr
- mail.cybercable.fr
- mail.oreka.com
- smtp.wanadoo.fr
- mail.worldnet.fr
- smtp.laposte.net
Once it is connected, it sends the following Information:
The "From" field can be any of the following:
- br@fh.tn
- av@av.tn
- fucker@fuck.fu
- ser@jhfd.it
- Ma@ry.am
- apple@service.tn
The "Subject" text can be any of the following:
- Hi , Chek
- Sir , Your Text !
- Error For Sending ,It Is Important to Get Your Data
- Chek It
- Crypted Message Has Been An Attachement , To Chek Your Message , Chek Your Attchement
- Check
- Your Identidie Has Been ....Chek Attchement For More Information
- You Has Been Comprimased , Chek !
- Credi Money Has Been Sent As A Binary File , Chek
- New porn tools
- Chek your XXX application !
- Your information was ...
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