""ET CURRENT_EVENTS Possible Successful Phish - Generic Status Messages Sept 11 2015""
SID: 2021761
Revision: 4
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_09_11, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_08_17, 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,to_client
Contents:
-
Value: "|22|ajax_timeout|22 20 3A 20 22|"
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Value: "Authenticating|20 E2 80 A6 22 2C|"
-
Value: "|22|expired_session|22 20 3A 20 22|Your"
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Value: "|22|prevented_xfer|22 20 3A 20 22|The session"
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Value: "successful. Redirecting|20 E2 80 A6 22 2C|"
-
Value: "|22|token_incorrect|22 20 3A 20 22|The security"
Within:
PCRE:
Special Options:
-
file_data
-
fast_pattern