EmergingThreats> Main Web>2003928 (2013-12-05, MattJonkman) EditAttach

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar|0d 0a|"; nocase; http_header; reference:url,doc.emergingthreats.net/2003928; classtype:trojan-activity; sid:2003928; rev:9; metadata:attack_target Client_Endpoint, deployment Perimeter, tag Spyware_User_Agent, signature_severity Minor, created_at 2010_07_30, updated_at 2016_07_01;)

Added 2017-08-07 20:57:08 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar|0d 0a|"; nocase; http_header; reference:url,doc.emergingthreats.net/2003928; classtype:trojan-activity; sid:2003928; rev:8;)

Added 2013-12-05 22:44:02 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar"; nocase; http_header; reference:url,doc.emergingthreats.net/2003928; classtype:trojan-activity; sid:2003928; rev:7;)

Added 2011-12-15 18:09:22 UTC

False positive with Malware Bytes Anti Rootkit definitions update.

GET /v1/database /rules/data/rule s.v2013.11.26.03 .ref.yaml HTTP/1 .1..Accept-Encod ing: gzip..Conne ction: Close..Ho st: data-cdn.mba mupdates.com..Us er-Agent: mbar - mbar_free (scan ner) - base:1.07 .0.1007 - rules: v2013.10.02.12 s wissarmy:v2013.0 9.30.01 actions: ....

-- MatthewTrent - 2013-11-26

Will update, thanks!

-- MattJonkman - 2013-12-05

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar"; nocase; http_header; reference:url,doc.emergingthreats.net/2003928; classtype:trojan-activity; sid:2003928; rev:7;)

Added 2011-10-12 19:14:29 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar"; nocase; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003928; sid:2003928; rev:7;)

Added 2011-09-14 22:27:39 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar"; nocase; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Mirar; sid:2003928; rev:7;)

Added 2011-02-04 17:22:52 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Mirar; sid:2003928; rev:6;)

Added 2010-07-29 22:05:01 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent|3a| Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Mirar; sid:2003928; rev:6;)

Added 2010-07-29 22:05:01 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Mirar; sid:2003928; rev:5;)

Added 2009-11-25 11:39:03 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Mirar; sid:2003928; rev:5;)

Added 2009-11-25 11:39:03 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003928; rev:3;)

Added 2009-02-09 21:30:24 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003928; rev:3;)

Added 2009-02-09 21:30:24 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003928; rev:3;)

Added 2009-02-09 21:29:25 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003928; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003928; rev:3;)

Added 2009-02-09 21:29:25 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; sid:2003928; rev:2;)

Added 2008-01-28 17:24:21 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; sid:2003928; rev:2;)

Added 2008-01-28 17:24:21 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Mirar Bar Spyware User-Agent (Mbar)"; flow:to_server,established; content:"User-Agent\: Mbar"; nocase; classtype:trojan-activity; sid:2003928; rev:1;)

Added 2007-05-25 22:30:22 UTC

User-agent seen in Sandnet analysis.

-- ShirkDog? - 04 Jun 2007

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Topic revision: r5 - 2013-12-05 - MattJonkman
 
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