""ET TROJAN Possible Zeus GameOver Connectivity Check""
SID: 2018242
Revision: 3
Class Type: trojan-activity
Metadata: created_at 2014_03_10, updated_at 2020_09_14
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "|3b| MSIE "
-
Value: !"Accept-Encoding|3a 20|"
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Value: "Host|3a 20|www.google.com|0d 0a|"
Within:
PCRE: "/^Accept\x3a\x20*\/*\r\nAccept-Language\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\sMSIE\s\d+.\d+[^\r\n]+\r\nHost\x3a\x20www.google.com\r\nConnection\x3a\x20Close\r\n(?:\r\n)?$/H"
Special Options:
-
http_header
-
http_header
-
http_header