""ET TROJAN PurpleFox Backdoor/Rootkit Download Request M2""
SID: 2034871
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_01_07, deployment Perimeter, malware_family PurpleFox, performance_impact Moderate, signature_severity Major, updated_at 2022_01_07
Reference:
-
md5
-
465dae978a41d566c7fabc9f5808487c
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: !80
Flow: established,to_server
Contents:
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Value: "GET /" Depth: 5
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Value: ".zip?="
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Value: "|0d 0a|Accept|3a 20 2a 2f 2a 0d 0a|"
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Value: "|0d 0a|Accept-Encoding|3a 20|gzip|2c 20|deflate|0d 0a|User-Agent|3a 20|"
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Value: "|0d 0a|Host|3a 20|"
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Value: "Connection|3a 20|Keep-Alive|0d 0a|"
Within: 24
PCRE: "/^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}\x3a\d{1,5}\x0d\x0a/R"
Special Options:
- fast_pattern