""ET TROJAN lu0bot Loader HTTP Request""

SID: 2033176

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 2021_06_24, deployment Perimeter, malware_family lu0bot, performance_impact Low, signature_severity Major, updated_at 2021_06_24

Reference:

• Link

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=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