SID: 2048312

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_09_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2023_09_27, reviewed_at 2023_09_27

Reference:

  • md5

  • 5ffe427533794819a0a949a7eb168201

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "User-Agent|3a 20|calc|0d 0a|"

Within:

PCRE: "/^User-Agent[^\r\n]+\r\nHost[^\r\n]+\r\n\r\n$/Hm"

Special Options:

  • http_method

  • fast_pattern

  • http_header

source