""ET TROJAN Win32/a310Logger Variant Data Exfil via SMTP""

SID: 2037207

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, malware_family a310Logger, performance_impact Low, signature_severity Major, updated_at 2022_06_29

Reference:

• md5

• 1f0296b2c958c1208c7fcaff5ce65a15

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 587

Flow: established,to_server

Contents:

• Value: "Subject|3a 20|Files.zip|3a 3a 3a|"

• Value: "filename=|22|Files.zip|22 0d 0a 0d 0a|UEs"

Within:

PCRE:

Special Options:

source