""ET CURRENT_EVENTS RIG EK URI Struct Mar 13 2017""

SID: 2024048

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_03_13, deployment Perimeter, malware_family Exploit_Kit_RIG, performance_impact Significant, signature_severity Major, tag Exploit_kit_RIG, updated_at 2024_04_08, reviewed_at 2023_09_11

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "oq="

  • Value: !"Cookie|3a|"

  • Value: !"cookie|3a|"

Within:

PCRE: "/(?=.?[?&]oq=(?=[A-Za-z_-][0-9])(?=[a-z0-9_-][A-Z][a-z0-9_-][A-Z])(?=[A-Z0-9_-][a-z][A-Z0-9_-][a-z])[A-Za-z0-9_-]+(?:&|$)).?[?&]q=(?=[A-Za-z_-][0-9])(?=[a-z0-9_-][A-Z][a-z0-9_-][A-Z])(?=[A-Z0-9_-][a-z][A-Z0-9_-][a-z])[A-Za-z0-9_-]+(?:&|$)/U"

Special Options:

  • http_uri

  • http_header

  • http_header

source