SID: 2051782

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 plaintext, created_at 2024_03_25, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2024_03_25

Reference:

  • md5

  • 017e6b2df70f70f41c4e9ce6527925a2

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: "/w_ver.dat"

  • Value: !"Referer|3a 20|"

  • Value: !"User-Agent|3a 20|"

Within:

PCRE: "/^Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}\r\n/Hm"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source