""ET TROJAN Cobalt Strike Malleable C2 JQuery Custom Profile M3""
SID: 2033008
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_05_21, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2021_05_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation
Reference:
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md5
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4547d3404ceb0436585e11f317eadb7c
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "/jquery-" Depth: 8
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Value: ".min.js"
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Value: "Accept|3a 20|text/html,application/xhtml+xml,application/xml|3b|q=0.9,/|3b|q=0.8|0d 0a|Accept-Language|3a 20|en-US,en|3b|q=0.5|0d 0a|Referer|3a 20|" Depth: 115
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Value: "Accept-Encoding|3a 20|gzip, deflate|0d 0a|"
Within:
PCRE: "/^Accept\x3a\x20[^\r\n]+\r\nAccept-Language\x3a\x20[^\r\n]+\r\nReferer\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nCache-Control\x3a\x20[^\r\n]+[\r\n]+$/H"
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_header
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http_header