""ET TROJAN Win32/Onliner Receiving Commands from CnC""

SID: 2027808

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_06, deployment Perimeter, malware_family Onliner, performance_impact Low, signature_severity Major, tag SpamBot, updated_at 2019_08_06

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "|7b|id|3a|" Depth: 4

  • Value: "|7b|ok|3a 5b|task|5d|"

  • Value: "|7b|urls|7d|"

  • Value: "|7b|tasks|7d|"

Within:

PCRE: "/^\d{5,10}\x7d/Rs"

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source