""ET MALWARE PUP/SpamFighter CnC Request""

SID: 2044926

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_12, deployment Perimeter, signature_severity Major, updated_at 2023_04_12

Reference:

  • md5

  • 02033a50dc63fa46f76e71afc35d3188

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "spamfighter.com|0d 0a|"

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

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+spamfighter.com/Hmi"

Special Options:

  • http_header

  • http_header

source