![]() ![]() Below is a step-by-step procedure for various formats and files: Go to the Apps screen and tap Hancom Office Viewer. We shall focus on how to use the Hancom Viewer on Samsung Galaxy Tab S in this article. Experts say that, even if the initial compromise is unknown, updating the software is generally recommended to reduce the chances of attackers exploiting known vulnerabilities. It enables the viewing of spreadsheets, documents and presentations. This Base64 string is decoded and then decrypted (xor 0x08) and expected to be an XML document with the C# code to executed in the '/doc' node under the 'data' attribute (E.g. Also, it looks for requests made to the 'logon.aspx' or 'default.aspx' pages with a specific password parameter.įurther, based on a second HTTP parameter, which is a base64 encoded string, Frebniis is instructed to communicate and execute commands on other systems via the compromised IIS. It provides word processing, spreadsheet, and presentation tools for. This solution offers desktop, mobile device, and web tools. ![]() It is designed to increase productivity for teams in digital workspaces. This injected code supports proxying and C# code execution without touching the disk, making it completely stealthy. Hancom Linux PR writes: SEOUL, Korea June 26, 2002: Hancom Linux, a leading provider of Linux-based productivity solutions, today made 3 announcements that will make its software available to millions of new users around the world: The release of Hancom Office 2.0. Hancom Office (formerly known as ThinkFree Office) is a suite of productivity and collaboration tools for all platforms and operating systems. NET backdoor which injects malicious code into FREB ("iisfreb.dll") to intercept any HTTP POST requests sent to the ISS server. ![]() As per Symantec's Threat Hunter team, attackers targeted Microsoft Information Security Services using a new Frebniss malware which stealthily executes commands sent via web requests.Īccording to analysts' report, during the attack, attackers abuse an IIS feature called 'Failed Request Event Buffering' (FREB) which is responsible for collecting request metadata (IP address, HTTP headers, cookies), and hackers were found utilizing the.
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