""ET TROJAN Patchwork APT BADNEWS Variant CnC Checkin M1""

SID: 2044111

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_03, deployment Perimeter, malware_family Patchwork, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_02_03

Reference:

  • md5

  • 26139754438dac37114fe4d273547078

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: ".php"

  • Value: "User-Agent|3a 20|Mozilla/5.0|0d 0a|"

  • Value: "qadc=" Depth: 5

  • Value: "&ghjk="

  • Value: "&edcaa="

  • Value: "&qcsnry="

  • Value: "&zqxwce="

  • Value: "&ghffh="

  • Value: "&olmn="

Within:

PCRE: "/^Content-Type\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source