""ET TROJAN W32/TRCrypt.ULPM Downloader CnC Beacon""
SID: 2019947
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2014_12_16, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_12_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
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md5
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3b4f77eefd208f699e6a540878e753a8
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: ".aspx?id="
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Value: "&macaddress="
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Value: "&pcname="
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Value: "&username="
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Value: "&osversion="
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Value: "&versaoatual="
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Value: "&winkey="
Within:
PCRE:
Special Options:
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http_uri
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http_uri
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http_uri
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http_uri
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http_uri
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http_uri
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fast_pattern
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http_uri