""ET TROJAN [ANY.RUN] WhiteSnake Stealer HTTP POST Report Exfiltration""

SID: 2050602

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_01_30, deployment Perimeter, malware_family WhiteSnake, signature_severity Major, tag Stealer, updated_at 2024_01_30

Reference:

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: "WSR$" Depth: 4

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\nExpect\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\n\r\n/Hm"

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

source