""ET TROJAN Unknown Possibly Ransomware (Dropped by RIG) CnC Beacon""
SID: 2024233
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_04_21, deployment Perimeter, signature_severity Major, tag c2, updated_at 2017_04_21, 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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26b21902548e3b821387c90d729bace6
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: "POST / HTTP/1." Depth: 14
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Value: !"Referer|3a|"
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Value: "Content-Type|3a 20|application/octet-stream|0d 0a|"
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Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b| MSIE 6.0|3b| Windows NT 5.1|3b| SV1)|0d 0a|"
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Value: "Accept|3a 20|*|0d 0a|"
Within:
PCRE:
Special Options: