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通过 HTTP 更新软件容易遭到中间人攻击。Volexity 公司的安全研究员披露，黑客组织 StormBamboo aka Evasive Panda、Daggerfly 和 Storm

通过 HTTP 更新软件容易遭到中间人攻击。Volexity 公司的安全研究员披露，黑客组织 StormBamboo aka Evasive Panda、Daggerfly 和 StormCloud 入侵一家 ISP，对目标组织发动了 DNS 中毒攻击，纂改了与 HTTP 自动软件更新相关的特定域名的 DNS 查询响应，导致软件在检查更新时安装了恶意程序而不是预期的更新。Volexity 通知了相关 ISP 阻止了中间人攻击。研究人员报告，黑客在入侵目标组织之后，安装了恶意的 Google Chrome 扩展 ReloadText，收集和窃取了浏览器 cookie 和邮件数据。

Риски и решения для современных компаний.

Name: CPCTF 2024 (an CPCTF event.)
Date: April 20, 2024, 1 a.m. — 21 April 2024, 07:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cpctf.space/
Rating weight: 0
Event organizers: traP

Name: AVSS Contest 2024 (an AVSS (Adversarial Vulnerability Scoring System) Contest event.)
Date: April 20, 2024, 2 a.m. — 22 April 2024, 02:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://avss.geekcon.top/
Rating weight: 25.00
Event organizers: GEEKCON

Name: Grey Cat The Flag 2024 Qualifiers (an Grey Cat The Flag event.)
Date: April 20, 2024, 4 a.m. — 21 April 2024, 04:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.nusgreyhats.org/
Rating weight: 22.46
Event organizers: NUSGreyhats

Name: Nexus Elites CTF (an Nexus CTF event.)
Date: April 20, 2024, 4 a.m. — 21 April 2024, 04:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://nexusctf.ycfteam.in/
Rating weight: 0.00
Event organizers: YCF

Name: Midnight Sun CTF 2024 Quals (an Midnight Sun CTF event.)
Date: April 20, 2024, 10 a.m. — 21 April 2024, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://midnightsunctf.com/
Rating weight: 35.74
Event organizers: HackingForSoju

Name: Challenge the Cyber - Cyber Chef (an Challenge the Cyber event.)
Date: April 20, 2024, 11 a.m. — 20 April 2024, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Eindhoven
Offical URL: https://challengethecyber.nl/
Rating weight: 0.00
Event organizers: Challenge the Cyber

Name: DawgCTF 2024 (an DawgCTF event.)
Date: April 20, 2024, 4 p.m. — 21 April 2024, 23:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://metactf.com/join/dawgctf24
Rating weight: 46.57
Event organizers: UMBC Cyber Dawgs

Name: openECSC 2024 - Round 2 (an openECSC - CybersecNatLab event.)
Date: April 22, 2024, 10 a.m. — 28 April 2024, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://open.ecsc2024.it/
Rating weight: 0
Event organizers: ECSC2024

Name: THJCC CTF (an THJCC CTF event.)
Date: April 23, 2024, 2:01 a.m. — 23 April 2024, 02:01 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf-hobby.scint.org/
Rating weight: 0.00
Event organizers: CakeisTheFake

Name: Kernel Kombat (an Kernel Kombat event.)
Date: April 24, 2024, 12:30 p.m. — 24 April 2024, 18:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://18.206.160.227/
Rating weight: 0.00
Event organizers: S14y3r

Name: D^3CTF 2024 (an D^3CTF event.)
Date: April 26, 2024, noon — 28 April 2024, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://d3c.tf/
Rating weight: 39.40
Event organizers: D^3CTF Organizers

Name: cr3 CTF 2024 (an cr3 CTF event.)
Date: April 26, 2024, 1 p.m. — 28 April 2024, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://2024.cr3c.tf/
Rating weight: 23.96
Event organizers: cr3.mov

Name: Insomni'hack 2024 (an Insomni'hack event.)
Date: April 26, 2024, 4:30 p.m. — 27 April 2024, 03:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: SwissTech Convention Center / Lausanne / Switzerland
Offical URL: https://insomnihack.ch/contests/
Rating weight: 33.40
Event organizers: Insomni'hack Team

Name: SpringForwardCTF (an SpookyCTF event.)
Date: April 26, 2024, 9 p.m. — 28 April 2024, 21:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://springforward.ctfd.io/
Rating weight: 22.40
Event organizers: G1tc_Gu4rdians

Name: UMDCTF 2024 (an UMDCTF event.)
Date: April 26, 2024, 10 p.m. — 28 April 2024, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://umdctf.io/
Rating weight: 48.92
Event organizers: UMDCSEC

Name: Dreamhack Invitational Quals 2024 (an Dreamhack Invitational event.)
Date: April 27, 2024, midnight — 28 April 2024, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://dreamhack.io/ctf/518/
Rating weight: 0
Event organizers: Theori

Name: HACKTHEON SEJONG 2024 Preliminaries (an HACKTHEON SEJONG event.)
Date: April 27, 2024, midnight — 27 April 2024, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://hacktheon.org/
Rating weight: 0.00
Event organizers: Sejong City Hall