""ET TROJAN Moose CnC Request M2""

SID: 2023479

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_and_Server, created_at 2016_11_02, deployment Perimeter, malware_family Linux_Moose, performance_impact Low, signature_severity Major, updated_at 2016_11_02

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: !"Referer|3a 20|"

  • Value: "|3b 20|nhash="

  • Value: "PHPSESSID="

  • Value: "|3b 20|nhash="

  • Value: "|3b 20|chash="

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+\r\nAccept-Language\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+[\r\n]+$/Hmi"

Special Options:

  • http_method

  • http_header

  • http_cookie

  • http_cookie

  • http_cookie

source