""ET TROJAN Possible Sniffthem/Tnaket User-Agent Observed M2""

SID: 2054070

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_06_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_06_26

Reference:

• md5

• bace58b7211332b033975559fc7859b8

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "User-Agent|3a 20|NuclearBot|0d 0a|"

Within:

PCRE:

Special Options:

• http_header

source