""ET TROJAN [PTsecurity] Win32/Ramnit Stage 0 Communicating with CnC""
SID: 2026113
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_09_14, deployment Perimeter, malware_family Ramnit, performance_impact Low, signature_severity Major, updated_at 2018_09_14
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
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Value: "200"
-
Value: "WAIT|20|" Depth: 15
-
Value: "CERT|20|"
Within: 20
PCRE: "/^(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=|[A-Z0-9+/]{4})/Rsi"
Special Options:
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http_stat_code
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file_data
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fast_pattern