""ET TROJAN FBot Downloader Generic GET for ARM Payload""
SID: 2026951
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_21, deployment Perimeter, malware_family Fbot, performance_impact Low, signature_severity Major, tag Downloader, tag DDoS, updated_at 2019_02_21
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/fbot.arm" Depth: 9
-
Value: ".u"
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Value: "|20|HTTP/1.0|0d 0a|"
Within:
PCRE: "/^\/fbot.arm\d{1}.u$/Ui"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
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http_uri