odd snort alert the date is all wrong

[terrygh () roadrunner com]

i find it hard to believe a rule was triggered in 1970. below is the
rule. any ideas or info about this would be greatly appreciated thanks
tgh

1970-02-11
18:57:16 __
                1
                ICMP
                A Network Trojan was Detected
 192.168.0.1
__ __ 
 192.168.0.5
__ __ 
 3:46853 [1]
__ __ __                MALWARE-CNC TRUFFLEHUNTER SFVRT-1036 attack attempt



Links:
------
[1] https://www.snort.org/rule_docs/3-46853

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