""ET CURRENT_EVENTS AES Crypto Observed in Javascript - Possible Phishing Landing M1 Dec 28 2015""
SID: 2025657
Revision: 5
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_12_29, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2018_03_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "200"
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Value: "Content-Type|3a 20|text/html"
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Value: ".Ctr.decrypt"
Within:
PCRE: "/^\s?(\s[^,]+,\s?[^,]+,\s?(?:128|256|512)\s*?)/Rsi"
Special Options:
-
http_stat_code
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http_header
-
file_data
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nocase
-
fast_pattern