""ET TROJAN Observed Malicious SSL Cert (Ursnif CnC)""
SID: 2046616
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_22, deployment Perimeter, malware_family ursnif, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2023_06_22
Reference:
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md5
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471d596dad7ca027a44b21f3c3a2a0d9
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 443
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
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: "|0b|avas1ta.com"
Within: 12
PCRE:
Special Options:
- fast_pattern