""ET TROJAN Win32/DarkWatchman Activity (POST)""

SID: 2035186

Revision: 4

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_02_14, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_05_15, reviewed_at 2023_09_12

Reference:

  • md5

  • 2ccc9637823753de9cdcdf76a1d22725

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|0d 0a|X-Client-Id|3a 20|"

  • Value: "User-Agent|3a 20|Mozilla/5.0(Windows NT|20|"

  • Value: "POST /index.php HTTP/1.1"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/\x0d\x0aX-Client-Id\x3a\x20[a-z0-9]{8}\r\n/H"

Special Options:

  • http_header

  • http_header

  • fast_pattern

  • http_header

source