""ET TROJAN Win32/Irafau Backdoor CnC Activity (POST)""

SID: 2042163

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_12_07, deployment Perimeter, signature_severity Major, updated_at 2022_12_07

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/search?q=" Depth: 10

  • Value: "02X"

  • Value: "02X&cvid="

  • Value: "llu"

Within: 21

PCRE: "/llu$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

source