""ET TROJAN Win32/VB.NBI CnC Checkin""

SID: 2037835

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 2022_07_26, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_26

Reference:

  • md5

  • 42691347a0ba4a593ffe3a230c579a77

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: "/api/soap/" Depth: 10

  • Value: ".php"

  • Value: "|3c 3f|xml|20|version|3d 22|1|2e|0|22 20|encoding|3d 22|UTF|2d|8|22 3f 3e|" Depth: 38

  • Value: "|22 3e 3c|username|20|"

  • Value: "|3c 2f|username|3e 3c|password|20|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

source