""ET INFO SUSPICIOUS UA (iexplore)""

SID: 2017365

Revision: 6

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2013_08_21, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Informational, updated_at 2023_09_12

Reference:

  • md5

  • b0e8ce16c42dee20d2c1dfb1b87b3afc

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 20|iexplore"

  • Value: !"Host|3a 20|su.pctools.com|0d 0a|"

  • Value: !".advent.com|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

  • nocase

  • nocase

  • http_header

  • nocase

  • http_header

source