Home Malware Programs Trojans JS_SPRAT.SM

JS_SPRAT.SM

Posted: August 20, 2013

Threat Metric

Threat Level: 9/10
Infected PCs: 89
First Seen: August 20, 2013
Last Seen: February 16, 2022
OS(es) Affected: Windows

JS_SPRAT.SM is a JavaScript Trojan that is downloaded on an affected computer by a hacking tool produced by Chinese hackers to exploit Apache Struts vulnerability. The hacking tool serves a number of uses in a targeted attack, such as obtaining and maintaining access onto the targeted computer system and network in Asia, getting information about the target, stealing information and eliminating evidence of an attack. The hacking tool affects several different flaws in Struts, recognized both by their Apache-issued bulletin numbers and their CVE numbers involving S2-016 (CVE-2013-2251), S2-013 (CVE-2013-1966), S2-009 (CVE-2011-3923) and S2-005 (CVE-2010-1870).

All of these vulnerabilities, if exploited, permit arbitrary commands to be launched on the attacked server by a cybercriminal. Some particular commands can be executed on the attacked server by The hacking tool automatically. One of the pre-programmed commands is 'whoami', which illustrates information about the attacked server's existing account. The main purpose of a cybercriminal in affecting a vulnerable server is to create a backdoor. These backdoors permit a cybercriminal to obtain and maintain access to the server and use it as they see fit; The hacking tool enables a cybercriminal to do just that with relatively little effort. JS_SPRAT.SM may be hosted on a hacked or malicious website and launched when a computer user accesses the said website. JS_SPRAT.SM requires its main component for appropriate execution of desired routine.

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