""ET TROJAN Blister Loader Mythic C2 Profile M1""

SID: 2049996

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, created_at 2024_01_10, deployment Perimeter, deployment SSLDecrypt, malware_family Mythic, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_10, reviewed_at 2024_01_10

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/s/0.7.8/clarity.js" Depth: 19

  • Value: !"clarity.ms"

Within:

PCRE: "/^(GE|POS)T\x20/"

Special Options:

  • http_uri

  • fast_pattern

  • http_header

source