""ET TROJAN Clipsa Stealer - CnC Checkin""

SID: 2027893

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_16, deployment Perimeter, malware_family Clipsa, performance_impact Low, signature_severity Major, tag Stealer, updated_at 2019_08_16

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/wp-content/plugins/WPSecurity/load.php" Depth: 39

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Content-Length\x3a\x20[123]\d{2}\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_header

source