""ET TROJAN AgentTesla Exfil Via SMTP""

SID: 2030171

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_05_18, deployment Perimeter, malware_family AgentTesla, signature_severity Major, updated_at 2020_05_18

Reference:

  • md5

  • b8b71fc1124765b75b3aa3be805e9d12

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [25,2525,587]

Flow: established,to_server

Contents:

  • Value: "|0d 0a|Time|3a 20|"

  • Value: "
    User Name|3a 20|"

  • Value: "
    OSFullName|3a 20|"

Within:

PCRE:

Special Options:

  • fast_pattern

source