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Call thru a Register
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Classroom Contents
Advanced Buffer Overflow Techniques
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- 1 Intro
- 2 Attack Theory
- 3 Entry -vs- Effect
- 4 Injection Vector
- 5 Injector/Payload Pairs
- 6 Types of Injection
- 7 Who writes Injector Code?
- 8 How hard can it hit?
- 9 Buffer Overflow Injection
- 10 Challenges
- 11 Stack Injection
- 12 Address Housekeeping
- 13 Stack Overflow
- 14 Little and Big Endian
- 15 Where to put the payload
- 16 Confined Payload
- 17 Using more stack for payload
- 18 Large payload, Lowland address
- 19 A register points to the stack
- 20 Call thru a Register
- 21 Push a register then return
- 22 NOP Sled
- 23 Trespassing the HEAP
- 24 Overwrite the VTABLE
- 25 Overwrite VTABLE
- 26 Getting Bearings
- 27 XOR Protection
- 28 XOR again to decode
- 29 Hardcoded Function Calls
- 30 Pros/Cons to hard coding
- 31 Dynamic Function Loading
- 32 HASH Loading
- 33 Check CRC's
