""ET TROJAN Mustang Panda APT Related Activity (POST)""

SID: 2044641

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_16, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag TA416, updated_at 2023_03_16

Reference:

  • md5

  • 821ec39800471963a4ccef10b587b8d6

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: "|0d 0a|Sec-Dest|3a 20|"

  • Value: "Sec-Site|3a 20|"

Within:

PCRE: "/\r\nUser-Agent\x3a\x20[^\r\n]+\r\nSec-Dest\x3a\x20[^\r\n]+\r\nSec-Site\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\n\r\n$/H"

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_header

source