""ET INFO Abnormal User-Agent No space after colon - Likely Hostile""
SID: 2011800
Revision: 13
Class Type: bad-unknown
Metadata: created_at 2010_10_13, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2023_07_06
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "User-Agent|3A|Mozilla"
-
Value: !"BlackBerry|3b|"
-
Value: !"PlayBook|3b|"
-
Value: !"masterconn.qq.com"
-
Value: !"Konfabulator"
-
Value: !"QQPCMgr"
-
Value: !"QQPCMgr"
Within:
PCRE:
Special Options:
-
http_header
-
nocase
-
http_header
-
http_header
-
http_header
-
http_header
-
http_header
-
http_header