""ET POLICY Observed External IP Lookup SSL Cert""
SID: 2026882
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2019_02_05, deployment Perimeter, performance_impact Low, signature_severity Minor, tag IP_address_lookup_website, updated_at 2019_02_05
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
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Value: "|16|"
-
Value: "|0b|"
-
Value: "|55 04 06|"
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Value: "|02|US"
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Value: "|55 04 0a|"
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Value: "|0d|Let's Encrypt"
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Value: "|55 04 03|"
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Value: "|1a|Let's Encrypt Authority X3"
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Value: "|0e|iplocation.com"
Within: 27
PCRE:
Special Options: