""ET TROJAN Py/MechaFlounder CnC Checkin""
SID: 2027047
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Python, attack_target Client_and_Server, created_at 2019_03_06, deployment Perimeter, malware_family MechaFlounder, performance_impact Low, signature_severity Major, tag APT, tag Chafer, tag Python, updated_at 2019_03_06
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: "GET"
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Value: !"|2f|" Depth: 1
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Value: "--"
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Value: "|5c|"
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Value: "-service.html"
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Value: !"Referer|3a|"
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Value: !"User-Agent|3a|"
Within:
PCRE:
Special Options:
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http_method
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http_uri
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http_uri
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http_uri
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http_uri
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fast_pattern
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http_header
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http_header