""ET CURRENT_EVENTS AES Crypto Observed in Javascript - Possible Phishing Landing""
SID: 2025656
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_10_22, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2015_11_06, 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:
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Value: "hea2p"
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Value: "0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvxyz"
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Value: "hea2t"
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Value: "Aes"
Within:
PCRE: "/^\s?.\s?Ctr\s?.\s?decrypt/Rsi"
Special Options:
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file_data
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nocase
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nocase
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nocase