Shell Four ORW — Open-Read-Write Shellcode with Seccomp

Write open-read-write shellcode to exfiltrate /flag.txt when execve is blocked by a seccomp filter.

January 1, 2025 · 3 min · giordii

Emergency Call — ROP Syscall Chain for execve

Write /bin/sh into a known writable address, then build a ROP chain that sets rax=59, rdi=/bin/sh, rsi=0, rdx=0 using dedicated pop gadgets and a syscall instruction to get a shell.

January 1, 2024 · 2 min · giordii