$ file heapstorm2
heapstorm2: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=875a94fee796b76933b4142702569c3f57adadc9, stripped
$ pwn checksec --file heapstorm2
[*] '/home/firmy/Desktop/heapstorm2/heapstorm2'
Arch: amd64-64-little
RELRO: Full RELRO
Stack: Canary found
NX: NX enabled
PIE: PIE enabled
$ strings libc-2.24.so | grep "GNU C"
GNU C Library (Debian GLIBC 2.24-11+deb9u3) stable release version 2.24, by Roland McGrath et al.
Compiled by GNU CC version 6.3.0 20170516.