alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Yahoyah CnC? Beacon"; flow:established,to_server; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|MSIE|28|"; http_header; content:"|29 29 3b 20|NT|28|"; distance:0; http_header; content:"|29 3b 20|AV|28|"; distance:0; http_header; content:"|29 3b 20|OV|28|"; distance:0; http_header; content:"|29 3b 20|NA|28|"; distance:0; http_header; content:"|29 20|VR|28|"; distance:0; http_header; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf; classtype:trojan-activity; sid:2021114; rev:2; metadata:attack_target Client_Endpoint, created_at 2015_05_18, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_05_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)

Added 2021-06-18 18:19:25 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Yahoyah CnC? Beacon"; flow:established,to_server; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|MSIE|28|"; http_header; content:"|29 29 3b 20|NT|28|"; distance:0; http_header; content:"|29 3b 20|AV|28|"; distance:0; http_header; content:"|29 3b 20|OV|28|"; distance:0; http_header; content:"|29 3b 20|NA|28|"; distance:0; http_header; content:"|29 20|VR|28|"; distance:0; http_header; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf; classtype:trojan-activity; sid:2021114; rev:2; metadata:created_at 2015_05_18, former_category MALWARE, updated_at 2020_05_22;)

Added 2020-08-05 19:11:14 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Yahoyah CnC? Beacon"; flow:established,to_server; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|MSIE|28|"; http_header; content:"|29 29 3b 20|NT|28|"; distance:0; http_header; content:"|29 3b 20|AV|28|"; distance:0; http_header; content:"|29 3b 20|OV|28|"; distance:0; http_header; content:"|29 3b 20|NA|28|"; distance:0; http_header; content:"|29 20|VR|28|"; distance:0; http_header; metadata: former_category MALWARE; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf; classtype:trojan-activity; sid:2021114; rev:2; metadata:created_at 2015_05_18, updated_at 2015_05_18;)

Added 2019-09-19 19:26:22 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Yahoyah CnC? Beacon"; flow:established,to_server; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|MSIE|28|"; http_header; content:"|29 29 3b 20|NT|28|"; distance:0; http_header; content:"|29 3b 20|AV|28|"; distance:0; http_header; content:"|29 3b 20|OV|28|"; distance:0; http_header; content:"|29 3b 20|NA|28|"; distance:0; http_header; content:"|29 20|VR|28|"; distance:0; http_header; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf; classtype:trojan-activity; sid:2021114; rev:2; metadata:created_at 2015_05_18, updated_at 2015_05_18;)

Added 2018-09-13 19:51:13 UTC


Added 2018-09-13 18:00:05 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Yahoyah CnC? Beacon"; flow:established,to_server; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|MSIE|28|"; http_header; content:"|29 29 3b 20|NT|28|"; distance:0; http_header; content:"|29 3b 20|AV|28|"; distance:0; http_header; content:"|29 3b 20|OV|28|"; distance:0; http_header; content:"|29 3b 20|NA|28|"; distance:0; http_header; content:"|29 20|VR|28|"; distance:0; http_header; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf; classtype:trojan-activity; sid:2021114; rev:2; metadata:created_at 2015_05_18, updated_at 2015_05_18;)

Added 2017-08-07 21:15:45 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Yahoyah CnC? Beacon"; flow:established,to_server; content:!"Accept"; http_header; content:!"Referer|3a|"; http_header; content:"User-Agent|3a 20|MSIE|28|"; http_header; content:"|29 29 3b 20|NT|28|"; distance:0; http_header; content:"|29 3b 20|AV|28|"; distance:0; http_header; content:"|29 3b 20|OV|28|"; distance:0; http_header; content:"|29 3b 20|NA|28|"; distance:0; http_header; content:"|29 20|VR|28|"; distance:0; http_header; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf; classtype:trojan-activity; sid:2021114; rev:2;)

Added 2015-05-18 18:36:29 UTC



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Topic revision: r1 - 2021-06-18 - TWikiGuest
 
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