""ET INFO Symantec Download Flowbit Set""
SID: 2023067
Revision: 2
Class Type: misc-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_16, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2022_05_03, reviewed_at 2024_04_23
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: ".symantec.com|0d 0a|"
Within:
PCRE: "/^Host\x3a[^\r\n]*.symantec.com(?:\x3a\d{1,5})?\r?$/Hmi"
Special Options:
-
http_header
-
nocase