""ET TROJAN Possible Astaroth User-Agent Observed""
SID: 2026906
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 2019_02_13, deployment Perimeter, signature_severity Major, tag Astaroth, updated_at 2019_02_13
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 6.0|3b 20|SLCC1)|0d 0a|" Depth: 71
Within:
PCRE:
Special Options:
- http_header