Software Attacks Overview
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The document discusses software attacks that can occur at runtime, including buffer overflows, return-oriented programming, and their potential uses and countermeasures. It provides an overview of common software attacks according to the OWASP Top 10 list and describes buffer overflow attacks and return-oriented programming attacks in detail through examples and diagrams. Potential targets of software attacks mentioned include internet applications, e-voting, banking, and TV decoders.
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Software Attacks Overview
- 1. English for Computer Science II Software(Runtime) Attacks Amir Neziri & Jurlind Budurushi Source: [6]
- 11. The Stack Frame 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 15. (1) Program starts 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 16. (2) The echo() function is called 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 17. (3) Call instruction pushes return address onto the stack 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 18. (4) Allocation of saved base pointer and buffer 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 19. (5) echo() calls gets(buffer) function 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 20. (6) Adversary transmits malicious code 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 21. (7) Malicious code contains shellcode, pattern bytes, . . . 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 22. (8) . . . , and a new return address 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 23. (9) Before echo() returns to main, SP is updated 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 24. (10) echo() issues return resulting in execution of shellcode 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 26. ROP – The Big Picture 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 27. ROP – The Big Picture 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi
- 28. ROP – The Big Picture 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 32. ROP – Waiting for input from user 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 33. ROP – Attacker overflows the buffer 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 34. ROP – Input contains ret-addresses and one argument 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 35. ROP – 1st sequence is executed 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 36. ROP – „ret“ instruction transfers control 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 37. ROP – Transfers control from 2nd to 3rd instruction 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 38. ROP – POP argument from stack 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 39. ROP – „ret“ has been reached 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 40. ROP – Transfers control from 3rd to 4th instruction 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 41. ROP – Transfers control from 1st gadget to the 2nd 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 42. ROP – Transfers control from 1st sequence to the 2nd 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi Source: [6]
- 45. Questions??? 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi
- 46. 5/12/2011 | Department 20 | B. IT Nieh | Software(Runtime) Attacks | A. Neziri & J. Budurushi
Hinweis der Redaktion
- 2/3/2011 | | Hello to everyone and welcome to our presentation. The topic of our presentation is “Software Attacks”
- https://www.owasp.org/index.php/Category:OWASP_Top_Ten_Project 2/3/2011 | |
- Stealing Votes with ROP: http://www.youtube.com/watch?v=lsfG3KPrD1I 2/3/2011 | |
- How many people do have a pay TV ???? 2/3/2011 | |
- Push elements onto the stack (SP is decremented) Pop elements o the stack (SP is incremented) 2/3/2011 | |
- Cann you see the problem ??? 2/3/2011 | |
- 2/3/2011 | |
- 2/3/2011 | |
- 2/3/2011 | |