""ET WEB_CLIENT Netsolhost SSL Proxying - Possible Phishing Nov 24 2015""

SID: 2022136

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_11_24, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2019_08_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|06|secure|0a|netsolhost|03|com|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source