""ET ATTACK_RESPONSE Obfuscated JS - Possible URL Encoded JS Inbound""
SID: 2016132
Revision: 3
Class Type: misc-activity
Metadata: created_at 2012_12_30, updated_at 2022_06_10, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
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Value: "<form"
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Value: "button"
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Value: "CollectGarbage("
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Value: ".location"
Within:
PCRE: "/^[\r\n\s]=[\r\n\s]unescape(\s*[\x22\x27][\%]u/Ri"
Special Options:
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file_data
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nocase
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nocase
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nocase
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nocase