""ET INFO HTTP Request to Suspicious *.ryukyu Domain""
SID: 2027878
Revision: 2
Class Type: bad-unknown
Metadata: created_at 2019_08_13, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2019_08_13
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "Host|3a 20|"
-
Value: ".ryukyu|0d 0a|"
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+.ryukyu\r\n/Hmi"
Special Options:
-
http_header
-
fast_pattern
-
http_header