""ET TROJAN Win32/Unk.BrowserStealer Data Exfil M2""

SID: 2029148

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_13, deployment Perimeter, former_category MALWARE, signature_severity Major, updated_at 2022_05_03

Reference:

  • md5

  • 32642964fff0c97179d75086f515f5fe

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: ".php?"

  • Value: "=1&type=zip"

  • Value: "Content-Length|3a 20|"

  • Value: "|0d 0a|"

  • Value: !"Referer|3a|"

Within: 5

PCRE: "/.php\?(?:-[0-9]+|[A-F0-9]{32})=1&type=zip$/Usi"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

source