""ET TROJAN Nexus Stealer CnC Data Exfil""

SID: 2029298

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 2020_01_21, deployment Perimeter, former_category MALWARE, malware_family Nexus, signature_severity Major, updated_at 2022_05_03

Reference:

  • md5

  • 8bd8582155ef003b8a24d341d75f1d7f

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"

  • Value: "{" Depth: 1

  • Value: "|7e 3b 5e 3b|Windows|20|"

  • Value: "|7e 3b 5e 3b|"

  • Value: "|7e 3b 5e 3b|"

  • Value: "|7e 3b 5e 3b|"

  • Value: !"Referer|3a|"

Within: 50

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source