Built from IPMItool releases.
In order to install plugin, just download .mxt3 file and put it in the same directory than MobaXterm executable.
N.B. You can use all versions except for *_x64 as Mobaxterm is based on x86 (32-bit) version of Cygwin
wget -qO ipmitool https://github.com/zhubanRuban/ipmitool-mobaxterm-plugin/raw/master/ipmitool-1.8.18.mxt3 && unzip ipmitool -d / && rm -f ipmitool
wget -qO ipmitool https://github.com/zhubanRuban/ipmitool-mobaxterm-plugin/raw/master/ipmitool-1.8.18-x64.mxt3 && unzip ipmitool -d / && rm -f ipmitool
uname -m
wget -qO ipmitool https://github.com/zhubanRuban/ipmitool-mobaxterm-plugin/raw/master/ipmitool-1.8.18.mxt3 && unzip -Z1 ipmitool | xargs -I{} rm -vf /{} && rm -f ipmitool