""ET CURRENT_EVENTS Suspicious Form with Action Value Equal to bit .ly""

SID: 2035767

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 2022_04_06, deployment Perimeter, signature_severity Major, updated_at 2022_04_06

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "<form"

  • Value: "action=|22|http://bit.ly"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source