""ET TROJAN Possible GIFTEDVISITOR Activity - Ivanti Connect Secure""

SID: 2050000

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Python, attack_target Client_and_Server, created_at 2024_01_11, deployment Perimeter, confidence High, signature_severity Major, tag RAT, tag UTA0178, updated_at 2024_01_18

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/api/v1/cav/client/visits"

  • Value: !"GIF8" Depth: 4

  • Value: "GIF" Depth: 3

Within:

PCRE: "/GIF(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=|[A-Z0-9+/]{4})(?:\r\n)?$/P"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

source