""ET TROJAN Possibly Malicious Base64 Unicode WebClient DownloadString M1""
SID: 2023941
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 2017_02_16, deployment Perimeter, signature_severity Major, updated_at 2017_11_16
Reference:
-
md5
-
2a0df97277ddb361cecf8726df6d78ac
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
- Value: "VwBlAGIAQwBsAGkAZQBuAHQAKQAuAEQAbwB3AG4AbABvAGEAZABTAHQAcgBpAG4AZ"
Within:
PCRE:
Special Options:
- file_data