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| IsolationDate = |
| IsolationDate = |
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| Origin = [[China]] (alleged) |
| Origin = [[China]] (alleged) |
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| Author = Multiple authors; one serving prison time |
| Author = Multiple authors; one serving prison time<ref name="Nimdadmin">{{cite web|url=https://www.theregister.com/2011/09/17/nimda_anniversary/|title=Ten years on from Nimda|publisher=TheRegister.com|access-date=October 27, 2020|date=September 17, 2011}}</ref> |
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| Ports used = |
| Ports used = |
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| OSes = [[Microsoft Windows|Windows]] [[Windows 95|95]] – [[Windows XP|XP]] |
| OSes = [[Microsoft Windows|Windows]] [[Windows 95|95]] – [[Windows XP|XP]] |
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| Language = C++<ref>{{cite web|url=http://www.kaspersky.com/about/news/virus/2001/Information_about_the_Network_Worm_Nimda_|title=Information about the Network Worm "Nimda"|work=Kaspersky Lab|publisher=Kaspersky.com|date=September 18, 2001|access-date=June 4, 2016|archive-url=https://web.archive.org/web/20160807233000/http://www.kaspersky.com/about/news/virus/2001/Information_about_the_Network_Worm_Nimda_|archive-date=August 7, 2016}}</ref> |
| Language = C++<ref>{{cite web|url=http://www.kaspersky.com/about/news/virus/2001/Information_about_the_Network_Worm_Nimda_|title=Information about the Network Worm "Nimda"|work=Kaspersky Lab|publisher=Kaspersky.com|date=September 18, 2001|access-date=June 4, 2016|archive-url=https://web.archive.org/web/20160807233000/http://www.kaspersky.com/about/news/virus/2001/Information_about_the_Network_Worm_Nimda_|archive-date=August 7, 2016}}</ref> |
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''' |
The '''Nimda virus''' is a malicious file-infecting [[computer worm]]. |
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The first released advisory about this threat (worm) was released on September 18, 2001. |
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The first released advisory about this thread (worm) was released on September 18, 2001.<ref name=cert>{{cite web|url=https://www.cert.org/historical/advisories/CA-2001-26.cfm|title=CA-2001-26: Nimda Worm|website=[[CERT Coordination Center]]|publisher=[[Carnegie Mellon University]]|date=September 18, 2001|archive-url=https://web.archive.org/web/20140226175440/https://www.cert.org/historical/advisories/CA-2001-26.cfm|archive-date=February 26, 2014|url-status=dead}}</ref> Due to the release date, exactly one week after the [[September 11 attacks|attacks on the World Trade Center and Pentagon]], some media quickly began speculating a link between the virus and [[Al Qaeda]], though this theory ended up proving unfounded.{{cn|date=May 2021}} |
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Nimda affected both user workstations ([[Client (computing)|clients]]) running [[Windows 95]], [[Windows 98|98]], [[Windows NT 4.0|NT]], [[Windows 2000|2000]], or [[Windows XP|XP]] and [[Server (computing)|server]]s running Windows NT and 2000.<ref name=cert/> |
Nimda affected both user workstations ([[Client (computing)|clients]]) running [[Windows 95]], [[Windows 98|98]], [[Windows NT 4.0|NT]], [[Windows 2000|2000]], or [[Windows XP|XP]] and [[Server (computing)|server]]s running Windows NT and 2000.<ref name=cert>{{cite web|url=https://www.cert.org/historical/advisories/CA-2001-26.cfm|title=CA-2001-26: Nimda Worm|website=[[CERT Coordination Center]]|publisher=[[Carnegie Mellon University]]|date=September 18, 2001|archive-url=https://web.archive.org/web/20140226175440/https://www.cert.org/historical/advisories/CA-2001-26.cfm|archive-date=February 26, 2014|url-status=dead}}</ref> |
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The worm's name comes from the reversed spelling of "[[System administrator|admin]]". |
The worm's name comes from the reversed spelling of "[[System administrator|admin]]".<ref name="Nimdadmin"/> |
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[[F-Secure]] found the text "Concept Virus(CV) V.5, Copyright(C)2001 R.P.China" in the Nimda code, suggesting its country of origin. However, they also noted that a computer in Canada was responsible for an October 11, 2001 release of infected emails alleging to be from [[Mikko Hyppönen]] and Data Fellows (F-Secure's previous name).<ref>{{cite web|url=http://www.f-secure.com/v-descs/nimda.shtml|title=Net-Worm: W32/Nimda Description|work=F-Secure Labs|publisher=F-secure.com|access-date=June 4, 2016}}</ref> |
[[F-Secure]] found the text "Concept Virus(CV) V.5, Copyright(C)2001 R.P.China" in the Nimda code, suggesting its country of origin. However, they also noted that a computer in Canada was responsible for an October 11, 2001 release of infected emails alleging to be from [[Mikko Hyppönen]] and Data Fellows (F-Secure's previous name).<ref>{{cite web|url=http://www.f-secure.com/v-descs/nimda.shtml|title=Net-Worm: W32/Nimda Description|work=F-Secure Labs|publisher=F-secure.com|access-date=June 4, 2016}}</ref> |
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Latest revision as of 08:47, 26 September 2024
| Nimda | |
|---|---|
| Technical name | Avast: Win32:Nimda Avira: W32/Nimda.eml BitDefender: Win32.Nimda.A@mm ClamAV: W32.Nimda.eml Eset: Win32/Nimda.A Grisoft: I-Worm/Nimda Kaspersky: Net-Worm.Win32.Nimda or I-Worm.Nimda McAfee: Exploit-MIME.gen.ex Sophos: W32/Nimda-A Symantec: W32.Nimda.A@mm |
| Type | Multi-vector worm |
| Origin | China (alleged) |
| Authors | Multiple authors; one serving prison time[1] |
| Technical details | |
| Platform | Windows 95 – XP |
| Written in | C++[2] |
The Nimda virus is a malicious file-infecting computer worm.
The first released advisory about this threat (worm) was released on September 18, 2001.
Nimda affected both user workstations (clients) running Windows 95, 98, NT, 2000, or XP and servers running Windows NT and 2000.[3]
The worm's name comes from the reversed spelling of "admin".[1]
F-Secure found the text "Concept Virus(CV) V.5, Copyright(C)2001 R.P.China" in the Nimda code, suggesting its country of origin. However, they also noted that a computer in Canada was responsible for an October 11, 2001 release of infected emails alleging to be from Mikko Hyppönen and Data Fellows (F-Secure's previous name).[4]
Methods of infection
[edit]Nimda proved effective partially because it—unlike other infamous malware like Code Red—uses five different infection vectors:
- Open network shares
- Browsing of compromised web sites
- Exploitation of various Internet Information Services (IIS) 4.0 / 5.0 directory traversal vulnerabilities. (Both Code Red and Nimda were hugely successful exploiting well known and long solved vulnerabilities in the Microsoft IIS Server.[5])
- Back doors left behind by the "Code Red II" and "sadmind/IIS" worms.[6]
See also
[edit]References
[edit]- ^ a b "Ten years on from Nimda". TheRegister.com. September 17, 2011. Retrieved October 27, 2020.
- ^ "Information about the Network Worm "Nimda"". Kaspersky Lab. Kaspersky.com. September 18, 2001. Archived from the original on August 7, 2016. Retrieved June 4, 2016.
- ^ "CA-2001-26: Nimda Worm". CERT Coordination Center. Carnegie Mellon University. September 18, 2001. Archived from the original on February 26, 2014.
- ^ "Net-Worm: W32/Nimda Description". F-Secure Labs. F-secure.com. Retrieved June 4, 2016.
- ^ "Kurt Seifried - LASG / Introduction to security". Seifried.org. Retrieved June 4, 2016.
- ^ Chen, Thomas M.; Robert, Jean-Marc (2004). "The Evolution of Viruses and Worms". In Chen, William W.S (ed.). Statistical Methods in Computer Security. doi:10.1201/9781420030884. ISBN 9780429131615.