Difference between revisions of "CTF-practice-evening:2014-07-07"
Line 18: | Line 18: | ||
* Dimitris is discussing the challenges solved by Team Knuffelhackers in the Pwnium CTF last weekend | * Dimitris is discussing the challenges solved by Team Knuffelhackers in the Pwnium CTF last weekend | ||
− | * Kernel land: | + | * Kernel land: |
+ | ** Static binary - Dimitris loaded it into QEMU | ||
+ | ** When he runs it it produces ticks - the hint: the flag is on the 3rd ticket | ||
+ | ** He added a debugger to the VM | ||
+ | ** He put a breakpoint on timer tick - and there's also a variable called 'flag' | ||
+ | ** You needed to single step through the "ticks" and examine the flag variable in memory at Tick 3 | ||
+ | * USB is fun: | ||
+ | ** |
Revision as of 18:17, 7 July 2014
CTF-practice-evening:2014-07-07 | |
---|---|
Date | 2014/07/07 |
Time | |
Location | ACTA |
Type | Workshop |
Contact | Melanie |
Capture The Flag evening - Part 21
- 7 July, 2014 - 7 PM
- Please bring along a laptop with you!!!
General CTF Info
- See the page for the Ctf-evenings
- Link to the Tech Inc Challenge Website Scoreboard
Pwnium CTF Retrospective
- Dimitris is discussing the challenges solved by Team Knuffelhackers in the Pwnium CTF last weekend
- Kernel land:
- Static binary - Dimitris loaded it into QEMU
- When he runs it it produces ticks - the hint: the flag is on the 3rd ticket
- He added a debugger to the VM
- He put a breakpoint on timer tick - and there's also a variable called 'flag'
- You needed to single step through the "ticks" and examine the flag variable in memory at Tick 3
- USB is fun: