/usr/share/perl5/Smokeping/probes/ is in smokeping 2.6.9-1+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Smokeping/probes/AnotherDNS.pm
/usr/share/perl5/Smokeping/probes/AnotherSSH.pm
/usr/share/perl5/Smokeping/probes/CiscoRTTMonDNS.pm
/usr/share/perl5/Smokeping/probes/CiscoRTTMonEchoICMP.pm
/usr/share/perl5/Smokeping/probes/CiscoRTTMonTcpConnect.pm
/usr/share/perl5/Smokeping/probes/Curl.pm
/usr/share/perl5/Smokeping/probes/DNS.pm
/usr/share/perl5/Smokeping/probes/DismanPing.pm
/usr/share/perl5/Smokeping/probes/EchoPing.pm
/usr/share/perl5/Smokeping/probes/EchoPingChargen.pm
/usr/share/perl5/Smokeping/probes/EchoPingDNS.pm
/usr/share/perl5/Smokeping/probes/EchoPingDiscard.pm
/usr/share/perl5/Smokeping/probes/EchoPingHttp.pm
/usr/share/perl5/Smokeping/probes/EchoPingHttps.pm
/usr/share/perl5/Smokeping/probes/EchoPingIcp.pm
/usr/share/perl5/Smokeping/probes/EchoPingLDAP.pm
/usr/share/perl5/Smokeping/probes/EchoPingPlugin.pm
/usr/share/perl5/Smokeping/probes/EchoPingSmtp.pm
/usr/share/perl5/Smokeping/probes/EchoPingWhois.pm
/usr/share/perl5/Smokeping/probes/FPing.pm
/usr/share/perl5/Smokeping/probes/FPing6.pm
/usr/share/perl5/Smokeping/probes/FTPtransfer.pm
/usr/share/perl5/Smokeping/probes/IOSPing.pm
/usr/share/perl5/Smokeping/probes/LDAP.pm
/usr/share/perl5/Smokeping/probes/NFSping.pm
/usr/share/perl5/Smokeping/probes/OpenSSHJunOSPing.pm
/usr/share/perl5/Smokeping/probes/Radius.pm
/usr/share/perl5/Smokeping/probes/RemoteFPing.pm
/usr/share/perl5/Smokeping/probes/SSH.pm
/usr/share/perl5/Smokeping/probes/SendEmail.pm
/usr/share/perl5/Smokeping/probes/SipSak.pm
/usr/share/perl5/Smokeping/probes/TCPPing.pm
/usr/share/perl5/Smokeping/probes/TacacsPlus.pm
/usr/share/perl5/Smokeping/probes/TelnetIOSPing.pm
/usr/share/perl5/Smokeping/probes/TelnetJunOSPing.pm
/usr/share/perl5/Smokeping/probes/WebProxyFilter.pm
/usr/share/perl5/Smokeping/probes/base.pm
/usr/share/perl5/Smokeping/probes/basefork.pm
/usr/share/perl5/Smokeping/probes/basevars.pm
/usr/share/perl5/Smokeping/probes/passwordchecker.pm
/usr/share/perl5/Smokeping/probes/skel.pm