""ET TROJAN Snake Keylogger HTTP Exfil""

SID: 2049869

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_12_29, deployment Perimeter, deployment SSLDecrypt, malware_family Snake_Keylogger, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_12_29

Reference:

  • md5

  • 9bd66412d037cb407c592e51959e0891

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: "|26|myFile|3d|PW|2b 25|7c|2b|"

  • Value: "|25|0d|25|0a|2d 2d 2d 2d 2d 2d 2d 2d 2b|Snake|2b|Tracker|2b 2d 2d 2d 2d 2d 2d 2d 2d 25|0d|25|0a"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_header

source