""ET TROJAN UNC1151 Payload Retrieval Attempt""

SID: 2053277

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_06, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_06_06

Reference:

  • md5

  • b152f880c7cd73467642cc93edf4b1cd

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: ".svg"

  • Value: "User-Agent|3a 20|Mozilla/5.0|20 28|Linux|3b 20|Android 10|3b 20|K|29 20|AppleWebKit/537.36|20 28|KHTML|2c 20|like Gecko|29 20|Chrome/124.0.0.0 Mobile Safari/537.3|0d|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

source