""ET TROJAN Cobalt Strike Malleable C2 (jquery Profile)""
SID: 2032751
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 2020_03_31, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2020_03_31, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "/jquery.min.js"
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Value: "session-" Depth: 8
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Value: "GET|20|/jquery.min.js|20|HTTP/1.1|0d 0a|Accept|3a 20|/|0d 0a|Cookie|3a 20|session-"
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Value: !"Referer|3a|"
Within:
PCRE: "/^session-[a-zA-Z0-9\/+]{171}$/Cs"
Special Options:
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http_method
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http_uri
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http_cookie
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http_header