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Jasper_The_Rasper
Posts: 1,093
Registered: ‎06-12-2013

Attackers use ColdFusion flaw to install Microsoft IIS malware

Attackers exploited a vulnerability in Adobe ColdFusion to install data-stealing malware that works as a module for Microsoft's Internet Information Services (IIS) Web server software.

Researchers from security firm Trustwave recently reported they've identified IIS (Internet Information Server) Web servers infected with malicious IIS modules designed to steal information submitted by users on websites hosted on those servers.

The modules are rogue DLL (dynamic link library) files and were installed by a malware program the Trustwave researchers dubbed ISN that infects both 32-bit and 64-bit versions of IIS6 and IIS7+.

ISN detects the IIS version and installs the corresponding DLL module, which then monitors POST requests -- data submissions -- to specific URLs and saves the information to a log file.

This method allows the data to be collected even if the connection between the user and the server is protected by SSL (Secure Sockets Layer). The captured data can be, for example, personal and payment details entered on an e-commerce site running on a compromised IIS server. The rogue DLLs also enables attackers to send certain commands through URL parameters in order to download the stored information.

 

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