Home > Threat descriptions >



Category: Malware

Type: Backdoor

Platform: iPhoneOS

Aliases: Backdoor:iPhoneOS/Xsser.A, Trojan-Downloader:iPhoneOS/Xsser.A


Backdoor:iPhoneOS/Xsser is a mobile Remote Administrative Tool (RAT) that was reportedly found on iOS devices.


Automatic action

Once detected, the F-Secure security product will automatically handle a harmful program or file by either deleting or renaming it.

Knowledge Base

Find the latest advice in our Community Knowledge Base.

About the product

See the manual for your F-Secure product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

Technical Details

Backdoor:iPhoneOS/Xsser is an iOS version of an Android spyware and is capable of harvesting information from the compromised device, including:

  • The address book
  • SMS messages
  • Location data
  • Stored pictures

And more.

As with other iOS malware, the device must be jailbroken for XSSer to operate. In addition, the device must be installed with an alternative app store program that uses a specific repository in order for the device to be affected.