alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3a 20|update.microsoft.com"; http_header; content:"Content-Length|3a 20|00"; http_header; fast_pattern; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:4; metadata:attack_target Client_Endpoint, created_at 2013_05_21, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_09_18, 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 18:19:14 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3a 20|update.microsoft.com"; http_header; content:"Content-Length|3a 20|00"; http_header; fast_pattern; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:4; metadata:created_at 2013_05_21, former_category MALWARE, updated_at 2020_09_18;)

Added 2020-09-18 18:37:21 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3a 20|update.microsoft.com"; http_header; content:"Content-Length|3a 20|00"; http_header; fast_pattern; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:4; metadata:created_at 2013_05_21, former_category MALWARE, updated_at 2019_10_07;)

Added 2020-08-05 19:09:05 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3A| update.microsoft.com"; http_header; content:"Content-Length|3a| 00"; http_header; fast_pattern:only; metadata: former_category MALWARE; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:3; metadata:created_at 2013_05_21, updated_at 2019_10_07;)

Added 2019-10-07 19:58:33 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3A| update.microsoft.com"; http_header; content:"Content-Length|3a| 00"; http_header; fast_pattern:only; metadata: former_category MALWARE; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:3; metadata:created_at 2013_05_21, updated_at 2013_05_21;)

Added 2019-09-19 19:25:56 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3A| update.microsoft.com"; http_header; content:"Content-Length|3a| 00"; http_header; fast_pattern:only; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:3; metadata:created_at 2013_05_21, updated_at 2013_05_21;)

Added 2018-09-13 19:47:01 UTC


Added 2018-09-13 17:57:40 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_user_agent; content:"Host|3A| update.microsoft.com"; http_header; content:"Content-Length|3a| 00"; http_header; fast_pattern:only; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:3; metadata:created_at 2013_05_21, updated_at 2013_05_21;)

Added 2017-08-07 21:10:44 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN W32/Briba CnC? POST Beacon"; flow:established,to_server; content:"POST"; http_method; content:"/index"; http_uri; depth:6; content:".asp"; http_uri; distance:9; within:4; content:" MSIE "; http_header; content:"Host|3A| update.microsoft.com"; http_header; content:"Content-Length|3a| 00"; http_header; fast_pattern:only; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/05/ready-for-summer-the-sunshop-campaign.html; reference:url,citizenlab.org/wp-content/uploads/2012/09/IEXPL0RE_RAT.pdf; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=PWS%3AWin32%2FBriba.A; classtype:trojan-activity; sid:2016911; rev:3;)

Added 2013-05-21 18:25:13 UTC


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