""ET POLICY External IP Lookup Domain (curlmyip .net in DNS lookup)""
SID: 2025154
Revision: 2
Class Type: policy-violation
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, created_at 2017_12_16, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2017_12_16
Reference:
-
md5
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c375012865b94fa037d23c555e6c2772
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|08|curlmyip|03|net|00|"
Within: 7
PCRE:
Special Options:
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nocase
-
fast_pattern