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Supported Field Modifiers

Hayabusa supported field modifiers

Field Modifier Sigma Count Hayabusa Count
all 13 0
base64offsetǀcontains 7 0
base64ǀcontains 1 0
cased 0 0
cidr 35 0
contains 3054 21
containsǀall 1075 0
containsǀcased 0 0
containsǀexpand 1 0
containsǀwindash 107 0
endswith 3240 273
endswithfield 0 0
endswithǀcased 0 0
endswithǀwindash 2 0
equalsfield 0 0
exists 0 0
expand 11 0
fieldref 2 1
fieldrefǀcontains 0 0
fieldrefǀendswith 0 2
fieldrefǀstartswith 0 0
gt 0 0
gte 0 0
lt 0 0
lte 0 0
re 186 11
reǀi 1 0
reǀm 0 0
reǀs 0 0
startswith 532 6
startswithǀcased 0 0
utf16beǀbase64offsetǀcontains 0 0
utf16leǀbase64offsetǀcontains 0 0
utf16ǀbase64offsetǀcontains 0 0
wideǀbase64offsetǀcontains 2 0

Hayabusa unsupported field modifiers

Currently, everything is supported.

Hayabusa supported correlation rules

Correlation Rule Sigma Count Hayabusa Count
event_count 0 0
event_count (with group-by) 0 1
temporal 0 0
temporal (with group-by) 0 0
temporal_ordered 0 0
temporal_ordered (with group-by) 0 0
value_count 0 0
value_count (with group-by) 0 2

Hayabusa unsupported correlations rules

Currently, everything is supported.

This document is being dynamically updated based on the latest rules.
Last Update: 2026/04/28
Author: Fukusuke Takahashi