""ET TROJAN Observed Malicious SSL Cert (NHS UK Covid Passport Phish)""
SID: 2033286
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_and_Server, created_at 2021_07_08, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2021_07_08, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 443
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
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Value: "|16|"
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Value: "|0b|"
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Value: "|06 03 55 04 03|"
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Value: "|15|nhs.applyonline20.com"
Within: 22
PCRE:
Special Options:
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nocase
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fast_pattern