JS_SPRAT.SM
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
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Ranking: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 90 % (High) |
| Infected Computers: | 38 |
| First Seen: | August 20, 2013 |
| Last Seen: | February 16, 2022 |
| OS(es) Affected: | Windows |
JS_SPRAT.SM is a JavaScript Trojan that is dropped on a corrupted PC by a hacking tool generated by Chinese hackers to exploit Apache Struts vulnerability. The hacking tool serves a variety of uses in a targeted attack, such as obtaining and maintaining access onto the targeted PC and network in Asia, receiving information about the target, stealing information and eliminating evidence of an attack. The hacking tool attacks several different flaws in Struts, detected both by their Apache-issued bulletin numbers and their CVE numbers incorporating 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, enable arbitrary commands to be launched on the affected server by a cybercrook. Some particular commands can be executed on the affected server by the hacking tool automatically. One of the pre-programmed commands is 'whoami', which illustrates information about the affected server's existing account. The main aim of a cybercrook in attacking a vulnerable server is to create a backdoor. These backdoors enable a cybercrook to obtain and maintain access to the server and use it as they see fit; The hacking tool permits a cybercrook to do just that with relatively little effort. JS_SPRAT.SM may be hosted on a compromised or infected 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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