""ET CURRENT_EVENTS Possible Discover Phishing Domain Feb 02 2017""
SID: 2023819
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_02_02, deployment Perimeter, signature_severity Major, tag Phishing, updated_at 2017_11_17
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "GET"
-
Value: "discover.com"
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Value: !"discover.com|0d 0a|"
-
Value: !"autodiscover"
Within:
PCRE: "/^Host\x3a[^\r\n]+discover.com[^\r\n]{20,}\r\n/Hmi"
Special Options:
-
http_method
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http_header
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fast_pattern
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http_header
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http_header