""ET TROJAN Win32/Sarwent Initial Checkin""

SID: 2029474

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_17, deployment Perimeter, malware_family Sarwent, performance_impact Low, signature_severity Major, updated_at 2020_02_17

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/gate/test" Depth: 10

  • Value: "User-Agent|3a 20|Opera"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+[\r\n]+$/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source