""ET TROJAN Tick Group Payload - Submitting Encrypted Data to CnC""
SID: 2029082
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_02, deployment Perimeter, performance_impact Low, signature_severity Major, tag TickGroup, updated_at 2019_12_02
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "POST"
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Value: "/?"
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Value: "=A1f"
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Value: "|28|Windows|20|NT|20|6.1|3b 20|WOW64|3b|"
Within:
PCRE: "/^[a-z0-9/=+]$/Pi"
Special Options:
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http_method
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http_uri
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http_uri
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fast_pattern
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http_header