""ET TROJAN Bifrose/Cycbot Checkin 2""
SID: 2014163
Revision: 6
Class Type: trojan-activity
Metadata: created_at 2012_01_28, updated_at 2022_05_03
Reference:
-
md5
-
8c4f90bb59c05269c6c6990ec434eab6
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "User-Agent|3a| chrome/9.0"
Within:
PCRE: "/\x2E(?:p(?:hp|ng)|jpe?g|cgi|gif)\x3F(?:v\d{1,2}|pr)\x3D/U"
Special Options:
-
http_method
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http_header