""ET TROJAN Nuke Ransomware Checkin""

SID: 2023335

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_10_12, deployment Perimeter, malware_family Ransomware, malware_family Nuke, signature_severity Major, tag Ransomware, updated_at 2022_04_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • ff0e42146794f0d080df0467337b2d01

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: "Content-Type|3a 20|application/x-www-form-urlencoded"

  • Value: "Expect|3a 20|100-continue"

  • Value: !"User-Agent|3a 20|"

  • Value: "machine=" Depth: 8

Within:

PCRE: "/^machine=[^&]+$/Pi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

  • fast_pattern

  • http_client_body

source