""ET TROJAN ELF/Muhstik Bot Reporting Vulnerable Server to CnC""
SID: 2026607
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_11_14, deployment Perimeter, malware_family Muhstik, performance_impact Low, signature_severity Major, tag DDoS, updated_at 2018_11_15
Reference:
Protocol: tcp
Source Network: $HTTP_SERVERS
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "/pma.php?ip=" Depth: 12
Within:
PCRE: "/^\/pma.php\?ip=(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9]).(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9]).(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9]).(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$/U"
Special Options:
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http_method
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http_uri
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fast_pattern