""ET TROJAN Volt Typhoon User-Agent""

SID: 2048899

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 2023_10_25, deployment Perimeter, deployment SSLDecrypt, malware_family Volt_Typhoon, confidence Medium, signature_severity Major, updated_at 2023_10_25, reviewed_at 2023_10_25

Reference:

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|Mozilla|2f|5|2e|0|20 28|Windows|20|NT|20|6|2e|1|3b 20|WOW64|3b 20|rv|3a|68|2e|0|29 09 09 09 20 20 20 20|Gecko|2f|20100101|20|Firefox|2f|68|2e|0|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

source