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วันจันทร์ที่ 21 กันยายน พ.ศ. 2558

CSAW CTF 2015: Trivia 1-6 (Trivia) Write-up




Challenge: Trivia 1
Description:
This family of malware has gained notoriety after anti-virus and threat intelligence companies claimed that it was being used by several Chinese military groups.
Solution: http://www.esecurityplanet.com/malware/report-plugx-is-rat-of-choice-for-nation-states.html
Flag: PlugX

Challenge: Trivia 2
Description:
No More Free __!
Solution: http://www.zdnet.com/article/no-more-free-bugs-there-never-were-any-free-bugs/
Flag: Bugs

Challenge: Trivia 3
Description:
This mode on x86 is generally referred to as ring -2.
Solution: https://en.wikipedia.org/wiki/System_Management_Mode
Flag: SMM

Challenge: Trivia 4
Description:
This vulnerability occurs when the incorrect timing/sequence of events may cause a bug.
Solution: https://en.wikipedia.org/wiki/Race_condition
Flag: Race condition

Challenge: Trivia 5
Description:
On Windows, loading a library and having it's code run in another process is called _ .
Solution: https://en.wikipedia.org/wiki/DLL_injection
Flag: DLL injection

Challenge: Math aside, we're all black hats Now
Description:
This Pentesting expert supplied HBO's Silicon Valley with technical advice in season 2. The flag is his twitter handle.
Solution: https://www.linkedin.com/in/mubix
Flag: mubix

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