This is a huge (12 Mb) binary. I made a guess that this file must be a special binary. I looked at some clues on using strings, and it shows:
mstruct
mpyi_os_path
mpyi_archive
mpyi_importers
s_pyi_bootstrap
spyi_carchive
selfie
bMicrosoft.VC90.CRT.manifest
bmsvcr90.dll
bmsvcp90.dll
bmsvcm90.dll
bpython27.dll
bselect.pyd
bunicodedata.pyd
bPySide.QtCore.pyd
b_hashlib.pyd
bbz2.pyd
b_ssl.pyd
bPySide.QtGui.pyd
b_socket.pyd
bpyside-python2.7.dll
bshiboken-python2.7.dll
bQtCore4.dll
bQtGui4.dll
belfie.exe.manifest
python27.dll
Ok so this was built using Python. The is a hint from the string about pyi_archive, so i tried extracting it using pyi-archive_viewer, and it works. There is file inside it named "elfie", it reminded me of a CTF problem where they embed an ELF file inside an ELF and called it selfie. So I immediatelly looked at the file named elfie. Its an obfuscated python file, but can be easily decoded using print.
In the result file, I saw the string reversed ("moc.no-eralf@..."), and knew immediatelly that this is the string that I am looking for. We just need to reverse it: "".join(list(reversed("moc.no-eralf@...")))