""ET TROJAN BotLoader Retrieving Additional Payloads""

SID: 2045781

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 2023_05_19, deployment Perimeter, malware_family BotLoader, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_19

Reference:

  • md5

  • 4fd927530935327e0405ea5ddabc18ef

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: "/api/support" Depth: 12

  • Value: "|3f|file|3d|m_"

  • Value: ".dll"

  • Value: !"User-Agent|3a 20|"

Within:

PCRE: "/.dll$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

source