Get the Whitepaper called SafeSEH+SEHOP all-at-once bypass exploitation method principles.
You can download it from the following link: https://packetstormsecurity.com/files/download/108551/SafeSEH_SEHOP_principles.pdf
Source: https://packetstormsecurity.com/files/108551/SafeSEH-SEHOP-All-At-Once-Bypass-Exploitation-Method-Principles.html