Tags: rop pwn seccomp
Rating:
Please see original writeup for a walkthrough.
The original description hinted that you have to leak the flag.
nc blakflag-01.pwn.beer 45243
stripped x64 binary
sys_sendfile
not blacklisted but need to set rax=0x28
sys_write
gadget available and not blacklisted
rax=0x28
using return value from sys_write