SID: 2037848

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, signature_severity Major, updated_at 2022_07_29

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Server|3a 20|nginx/"

  • Value: "|0d 0a|Set-Cookie|3a 20|"

  • Value: "=|22 22 3b 20|Domain="

  • Value: "|3b 20|expires=Thu, 01 Jan 1970 00:00:00 GMT|3b 3b 20|Path=/|0d 0a|"

Within:

PCRE: "/Set-Cookie\x3a\x20[a-z0-9]{4}=\x22\x22\x3b/i"

Special Options:

source