SID: 2029452

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 2020_02_14, deployment Perimeter, malware_family Kimsuky, signature_severity Major, updated_at 2020_02_14

Reference:

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: "/IERinstal.a"

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

Within:

PCRE: "/\/IERinstal.a$/U"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

source