SID: 2051452

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2024_03_04, deployment Perimeter, malware_family ObserverStealer, confidence High, signature_severity Major, updated_at 2024_03_04, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system

Reference:

  • md5

  • 4a650883227d0f88b5e6b7c48a456939

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST|20|/|20|"

  • Value: "User-Agent|3a 20|HTTP/1.1|0d 0a|"

  • Value: "|3a 20|Thunderbird_"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • fast_pattern

source