""ET TROJAN Ursnif Variant Retrieving Payload (x64)""

SID: 2023872

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 2017_02_06, deployment Perimeter, malware_family ursnif, signature_severity Major, updated_at 2017_02_06

Reference:

  • md5

  • 4dbff312f5ee5bfbd757030109faec2d

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: "X64.jpg"

  • Value: !"User-Agent|3a|"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE: "/X64.jpg$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source