Finjan, Inc.

Finjan Software, Ltd.

Yuval Ben-Itzhak

Shay Lang

Dmitry Rubinstein

David Gruzman

Israel Taub

Golan Yosef

Limor Elbaz

A system for secure communication, including a first security computer communicatively coupled with a client computer via an SSL connection, including a certificate creator, for receiving certificate attributes of a server computer certificate and for creating a signed certificate therefrom, and an SSL connector, for performing an SSL handshake with the client computer using the signed certificate created by said certificate creator, and a second security computer communicatively coupled with a server computer via an SSL connection, and communicatively coupled with the first security computer via a non-SSL connection, including an SSL connector, for performing an SSL handshake with the server computer using a signed certificate provided by the server computer, and a protocol appender, for appending attributes of the signed certificate provided by the server computer within a message communicated to the first security computer. A method is also described and claimed.

Splitting an SSL connection between gateways

A security system, including a receiver for receiving a downloadable, a scanner, coupled with the receiver, for scanning the downloadable to identify suspicious computer operations therein, a code modifier, coupled with the scanner, for overwriting the suspicious computer operations with substitute computer operations, if at least one suspicious computer operation is identified by the scanner, and for appending monitoring program code to the downloadable thereby generating a modified downloadable, if at least one suspicious computer operation is identified by the scanner, and a processor, coupled with the code modifier, for executing programmed instructions, wherein the monitoring program code includes program instructions for the processor to validate input parameters for the suspicious computer operations during run-time of the downloadable. A method is also described and claimed.

Computer security method and system with input parameter validation

A method for protecting a client computer from dynamically generated malicious content, including receiving at a gateway computer content being sent to a client computer for processing, the content including a call to an original function, and the call including an input, modifying the content at the gateway computer, including replacing the call to the original function with a corresponding call to a substitute function, the substitute function being operational to send the input to a security computer for inspection, transmitting the modified content from the gateway computer to the client computer, processing the modified content at the client computer, transmitting the input to the security computer for inspection when the substitute function is invoked, determining at the security computer whether it is safe for the client computer to invoke the original function with the input, transmitting an indicator of whether it is safe for the client computer to invoke the original function with the input, from the security computer to the client computer, and invoking the original function at the client computer with the input, only if the indicator received from the security computer indicates that such invocation is safe. A system and a computer-readable storage medium are also described and claimed.

System and method for inspecting dynamically generated executable code

A method for scanning files for security, including receiving an unfamiliar file for scanning, if the determining indicates that the mime type is suitable for analysis, then processing a buffer of file data from the unfamiliar file, including generating a histogram of frequencies of occurrence of bytes within a buffer of file data from the unfamiliar file, excluding a designated set of bytes, and if the generated histogram of frequencies of occurrence of the non-excluded bytes deviates substantially from a reference distribution, then signaling that the unfamiliar file is potentially malicious. A system and a computer-readable storage medium are also described and claimed.

Byte-distribution analysis of file security

A method for computer security, including receiving content including potentially malicious executable code ('CODE-A'), intended for downloading at a client computer, scanning CODE-A to derive a profile thereof, determining, based on the derived profile of CODE-A, an appropriate computer account from among a plurality of computer accounts, under which CODE-A may be processed by the client computer, wherein each computer account of the plurality of computer accounts has associated therewith a security context within which an executable run under such account is processed, combining (i) information about the determined computer account name and (ii) CODE-A, with executable wrapper code ('CODE-B') into combined code (&#x201c;CODE-C&#x201d;), and forwarding CODE-C to the client computer for processing. A system and a computer-readable storage medium are also described and claimed.

Growing community of inventors

Tel Aviv, Israel

Yuval Ben-Itzhak