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3.4 DDoS

Date (as written)
2011-03
Year
2011
Country
Korea, Republic of, ๐Ÿ‡บ๐Ÿ‡ธ United States
Actor pages
๋ถํ•œ ์†Œํ–‰
Tags (as written)
Finance Destruction Government

Source entries (13)

lazarus.day

3.4 DDoS ยท 2011-03
In March 2011, South Korea and the United States experienced a series of DDoS (Distributed Denial of Service) attacks attributed to North Korea. These cyberattacks targeted various government, financial, and media websites, overloading them with traffic to disrupt their normal operations. The attacks aimed to incapacitate key online services, causing significant disruptions and highlighting the increasing threat of cyber warfare from state-sponsored actors. The incidents underscored the vulnerabilities in cybersecurity infrastructure and the ongoing risks posed by sophisticated cyber threats.
https://lazarus.day/incidents/34ddos/

EuRepoC

Dark Seoul 2011 ยท 04.03.2011
DDoS and Disk wiping attacks in South Korea.
https://thediplomat.com/2013/08/cyber-security-in-south-korea-the-threat-within/
https://www.mcafee.com//wp-content/uploads/2011/07/McAfee-Labs-10-Days-of-Rain-July-2011.pdf
https://www.sans.org/reading-room/whitepapers/critical/tracing-lineage-darkseoul-36787
http://english.chosun.com/site/data/html_dir/2013/04/11/2013041100648.html
https://twitter.com/securityaffairs/status/1661671109014564864

ThaiCERT Threat Group Cards

Attack on South Korean banks and media ยท 2011-03
Attack on South Korean banks and media Recent Distributed Denial of Service (DdoS) attacks on a number South Korean websites have been in news for the past week. The threat responsible for carrying out these attacks is Trojan.Koredos. Target: South Korean organizations. Method: DdoS attacks and destruction of infected machines. https://www.symantec.com/connect/blogs/trojankoredos-comes-unwelcomed-surprise
https://www.symantec.com/connect/blogs/trojankoredos-comes-unwelcomed-surprise

Dyadic Cyber Incident Dataset v2

March DDoS 1 ยท 3/1/2011
Retaliation for US - S. Korea military training drills conducted around the same time.
https://www.bbc.com/news/technology-12646052

Dyadic Cyber Incident Dataset v2

March DDoS 2 ยท 3/7/2011
Disruptive event during the US-S. Korea joint military training drills.
https://www.bbc.com/news/technology-12646052

CFR Cyber Operations Tracker

Denial of service incident against South Korean and U.S. targets ยท Apr 2011
Dubbed โ€œTen Days of Rain,โ€ this attack was a ten-day denial of service campaign that targeted websites associated with the South Korean government and U.S. military forces in South Korea.
https://www.cfr.org/cyber-operations/denial-of-service-incident-against-south-korean-and-u-s-targets
https://web.archive.org/web/20140602010545/http://blogs.mcafee.com/mcafee-labs/10-days-of-rain-in-korea
https://threatpost.com/mcafee-fingers-north-korea-attacks-south-korean-sites-070611/75398/
http://www.bbc.com/news/technology-12646052

Mendeley Data: Collection of DPRK state-sponsored threat actors' activities v2 (Lyu, Sungkyunkwan Univ.)

3.4 DDoS ยท 2011-03
Reported: 2011-03; Victims: 3.4 DDoS; Motivations: Destruction; Sectors: Finance Government; Countries: Korea, Republic of, United States
https://data.mendeley.com/datasets/wwb2rzgfn7/2

Wikipedia (English), accessed 2026-10-06

Ten Days of Rain ยท March 2011
The March 2011 attack known as "Ten Days of Rain" targeted South Korean media, financial, and critical infrastructure, and consisted of more sophisticated DDoS attacks that originated from compromised computers within South Korea.
https://en.wikipedia.org/wiki/Lazarus_Group

CSIS, "North Korea's Cyber Operations: Strategy and Responses" (Dec 2015), Appendix

DDoS on 40 ROK public, government, military, and private websites, including USFK ยท March 4, 2011
DDoS on 40 ROK public, government, military, and private websites, including USFK
https://csis-website-prod.s3.amazonaws.com/s3fs-public/legacy_files/files/publication/151216_Cha_NorthKoreasCyberOperations_Web.pdf

Seoul Shinmun (Yonhap) chronology: ๋ถํ•œ์˜ ๊ตญ๋‚ด ์‚ฌ์ด๋ฒ„ ํ…Œ๋Ÿฌ ์ผ์ง€ (2013-04-10)

์ฒญ์™€๋Œ€, ๊ตญ๊ฐ€์ •๋ณด์› ๋“ฑ ๊ตญ๊ฐ€๊ธฐ๊ด€๊ณผ ๊ตญ๋ฏผ์€ํ–‰ ๋“ฑ ๊ธˆ์œต๊ธฐ๊ด€, ๋„ค์ด๋ฒ„ ๋“ฑ ์ฃผ์š” ์ธํ„ฐ๋„ท๊ธฐ์—… ์›น์‚ฌ์ดํŠธ ๋””๋„์Šค ๊ณต๊ฒฉ์œผ๋กœ ๋งˆ๋น„. ยท 2011.3.4
โ–ฒ2011.3.4 = ์ฒญ์™€๋Œ€, ๊ตญ๊ฐ€์ •๋ณด์› ๋“ฑ ๊ตญ๊ฐ€๊ธฐ๊ด€๊ณผ ๊ตญ๋ฏผ์€ํ–‰ ๋“ฑ ๊ธˆ์œต๊ธฐ๊ด€, ๋„ค์ด๋ฒ„ ๋“ฑ ์ฃผ์š” ์ธํ„ฐ๋„ท๊ธฐ์—… ์›น์‚ฌ์ดํŠธ ๋””๋„์Šค ๊ณต๊ฒฉ์œผ๋กœ ๋งˆ๋น„.
https://www.seoul.co.kr/news/politics/2013/04/10/20130410800097

Seoul Shinmun (Yonhap) chronology: ๋ถํ•œ๋ฐœ ์—ญ๋Œ€ ์ฃผ์š” ์‚ฌ์ด๋ฒ„ํ…Œ๋Ÿฌ ์ผ์ง€ (2016-06-13)

์ข€๋น„ PC 10๋งŒ์—ฌ๋Œ€๋ฅผ ๋™์›, ๊ตญํšŒยทํ–‰์ •์•ˆ์ „๋ถ€ยทํ†ต์ผ๋ถ€ ๋“ฑ 20๊ฐœ ์ •๋ถ€ ๊ธฐ๊ด€ ํ™ˆํŽ˜์ด์ง€์™€ ์€ํ–‰ยท์ฆ๊ถŒ์‚ฌยทํฌํ„ธ์‚ฌ์ดํŠธ ๋“ฑ 20๊ฐœ ๋ฏผ๊ฐ„ ํ™ˆํŽ˜์ด์ง€ ๊ณต๊ฒฉ. ยท 2011.3.4
โ–ฒ 2011.3.4 = ์ข€๋น„ PC 10๋งŒ์—ฌ๋Œ€๋ฅผ ๋™์›, ๊ตญํšŒยทํ–‰์ •์•ˆ์ „๋ถ€ยทํ†ต์ผ๋ถ€ ๋“ฑ 20๊ฐœ ์ •๋ถ€ ๊ธฐ๊ด€ ํ™ˆํŽ˜์ด์ง€์™€ ์€ํ–‰ยท์ฆ๊ถŒ์‚ฌยทํฌํ„ธ์‚ฌ์ดํŠธ ๋“ฑ 20๊ฐœ ๋ฏผ๊ฐ„ ํ™ˆํŽ˜์ด์ง€ ๊ณต๊ฒฉ.
https://www.seoul.co.kr/news/politics/north/2016/06/13/20160613800145

์ „์ž์‹ ๋ฌธ (etnews) [์ด์Šˆ๋ถ„์„] 7ยท7 ๋””๋„์Šค, 6ยท25 ์‚ฌ์ด๋ฒ„ํ…Œ๋Ÿฌ, ํ•œ์ˆ˜์› ํ•ดํ‚น์‹ฌ๋ฆฌ์ „...ํ™€์ˆ˜ ํ•ด ๋ฐ˜๋ณต๋˜๋Š” ์‚ฌ์ด๋ฒ„๋„๋ฐœ (2017-02-21)

3ยท4 ๋””๋„์Šค ๊ณต๊ฒฉ ยท 2011๋…„
ํ•œ ํ•ด ๊ฑธ๋Ÿฌ 2011๋…„์—๋„ ๋Œ€๊ทœ๋ชจ ๋””๋„์Šค ๊ณต๊ฒฉ์ด ์žฌํ˜„๋˜๋ฉฐ ํ™€์ˆ˜ ํ•ด ์ง•ํฌ์Šค์— ๋ฌด๊ฒŒ๋ฅผ ์‹ค์—ˆ๋‹ค. ๊ตญ๋‚ด์™ธ 40๊ฐœ ๊ธฐ๊ด€ยท๊ธฐ์—…์ด ํ”ผํ•ด๋ฅผ ๋ณธ `3ยท4 ๋””๋„์Šค ๊ณต๊ฒฉ`์ด๋‹ค. ์ฒญ์™€๋Œ€ยท๊ตญํšŒยท์™ธ๊ต๋ถ€ยทํ†ต์ผ๋ถ€ยท๊ตญ์ •์›ยท๊ฒฝ์ฐฐ์ฒญ ๋“ฑ ๊ณต๊ณต ๋ถ„์•ผ 23๊ณณ, ๊ตญ๋ฏผ์€ํ–‰ยท์šฐ๋ฆฌ์€ํ–‰ยทํ•˜๋‚˜์€ํ–‰ ๋“ฑ ๊ธˆ์œต๊ถŒ 9๊ณณ, ๋„ค์ด๋ฒ„ยท๋‹ค์Œยท์˜ฅ์…˜ยท์ง€๋งˆ์ผ“ ๋“ฑ ๋ฏผ๊ฐ„ 8๊ณณ์—์„œ ํ™ˆํŽ˜์ด์ง€ ์ ‘์† ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋‹ค.
https://www.etnews.com/20170221000305

ํ•œ๊ตญ์ผ๋ณด 2009๋…„ '7ยท7 ๋””๋„์Šค' ๋“ฑ ๋Œ€๋ถ€๋ถ„ ๋ถํ•œ์†Œํ–‰ ๊ฒฐ๋ก  (2013-03-20)

3ยท4 ๋””๋„์Šค ๊ณต๊ฒฉ ยท 2011๋…„ 3์›”
2011๋…„ 3์›”์—๋Š” '3ยท4 ๋””๋„์Šค ๊ณต๊ฒฉ'์ด ์ผ์–ด๋‚ฌ๋‹ค. ๊ฒฝ์ฐฐ์€ ํ•ด์ปค๊ฐ€ ํ•ด์™ธ 70๊ฐœ๊ตญ 746๊ฐœ ์„œ๋ฒ„์—์„œ 10๋งŒ๋Œ€์˜ PC๋ฅผ ์•…์„ฑ์ฝ”๋“œ์— ๊ฐ์—ผ์‹œํ‚จ ๋’ค ์ฒญ์™€๋Œ€, ๊ตญํšŒ, ์–ธ๋ก ์‚ฌ ๋“ฑ ๊ตญ๋‚ด 40๊ฐœ ์ฃผ์š” ์‚ฌ์ดํŠธ๋ฅผ ๊ณต๊ฒฉํ•œ ๊ฒƒ์œผ๋กœ ๋ณด๊ณ  ๋ฐฐํ›„๋ฅผ ์ถ”์ , ๊ณต๊ฒฉ ์ฒด๊ณ„ ๋ฐ ๋ฐฉ์‹์ด ๋™์ผํ•œ ์ ์—์„œ ์—ญ์‹œ ๋ถํ•œ ์†Œํ–‰์œผ๋กœ ๊ฒฐ๋ก ๋ƒˆ๋‹ค.
https://www.hankookilbo.com/news/article/201303201195795236

Values found later for empty fields

actors: ๋ถํ•œ ์†Œํ–‰ (North Korea; same perpetrator as 7.7 DDoS, traced to ๋ถํ•œ ์ฒด์‹ ์„ฑ)
์ด๋ฒˆ ๊ณต๊ฒฉ๋„ ๋ถํ•œ ์†Œํ–‰์œผ๋กœ ๋ณผ ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์ด ๊ฒฝ์ฐฐ์˜ ์„ค๋ช…์ด๋‹ค
https://www.seoul.co.kr/news/society/2011/04/07/20110407008034

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