Malware
SLAPSTICK
According to FireEye, SLAPSTICK is a Solaris PAM backdoor that grants a user access to the system with a secret, hard-coded password.
SLAPSTICK is a Linux malware family.
Background
FireEye identifies SLAPSTICK as a Solaris PAM backdoor that lets a user log into the system by supplying a hidden, hard-coded password.
Source: Malpedia (Fraunhofer FKIE).