Bliss was described on USENET in the fall of 1996. In February of 1997, it was reported in Linux and Bugtraq mailing lists.
Check for Bliss by searching all binaries for the following pattern:
E8ABD8FFFFC200003634 65643134373130363532
Disinfect with the --bliss-uninfect-files-please argument to an infected program.
References: