SID: 2034844

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_12_28, deployment Perimeter, malware_family MuddyWater, signature_severity Major, updated_at 2021_12_28, reviewed_at 2023_08_22

Reference:

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: "/getCommand?guid=" Depth: 17

  • Value: "|3b 20|ms-office|3b 20|"

  • Value: !"Referer"

Within:

PCRE: "/^Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}$/Hm"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source