""ET TROJAN Arkei/Vidar/Mars Stealer Variant DLL GET Request""

SID: 2038524

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_08_15, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_08_15

Reference:

  • md5

  • 844ab1b8a2db0242a20a6f3bbceedf6b

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: ".dll"

  • Value: !"Referer|3a 20|"

  • Value: "User-Agent|3a 20|RT/1.0"

Within:

PCRE: "/\/(?:sqlite3|mozglue|nss3|freebl3|softokn3).dll/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_header

  • fast_pattern

  • http_header

source