""ET TROJAN lu0bot Loader HTTP Request M2""

SID: 2034516

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 2021_11_19, deployment Perimeter, malware_family lu0bot, performance_impact Low, signature_severity Major, updated_at 2021_11_19

Reference:

  • md5

  • a86f56aa7d6ce07b9639cf34e798b102

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: "/?"

  • Value: "&a=|20|Mozilla/4.0|20|"

  • Value: "User-Agent|3a 20|Mozilla|2f|4|2e|0|20 28|compatible|3b 20|Win32|3b 20|WinHttp|2e|WinHttpRequest|2e|5|29 0d 0a|"

Within:

PCRE: "/\/\?[a-f0-9]{5,12}&a=/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

source