""ET TROJAN Latrodectus Loader Related Activity (POST)""

SID: 2048735

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_10_23, deployment Perimeter, deployment SSLDecrypt, malware_family Latrodectus, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_12_15, reviewed_at 2023_10_23

Reference:

  • md5

  • f93f91aca8e20bb97f94c05e5dd839e7

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: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 5.1|3b 20|Tob 1.1)|0d 0a|"

  • Value: !"Referer"

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

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

source