🐾 - 🚨 Suspicious TLS Certificate including .us TLD in issuer informations - Possible Qbot 👿 C2 Server

SID: 3300668Rev: 20 views
Sourcepawpatrules
CreatedFebruary 10, 2023
UpdatedJune 26, 2023
Classificationtrojan-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"🐾 - 🚨 Suspicious TLS Certificate including .us TLD in issuer informations - Possible Qbot 👿 C2 Server"; flow:established,to_client; tls.cert_issuer; content:"C="; startswith; pcre:"/CN=[a-z0-9]{1,}.*us/"; content:".us"; endswith; content:!"CN=www."; tls.cert_subject; content:"C="; startswith; pcre:"/CN=[a-z0-9]{1,}.*us/"; content:".us"; endswith; reference:url,https://malpedia.caad.fkie.fraunhofer.de/details/win.qakbot; reference:url,https://ccadb-public.secure.force.com/mozilla/PublicAllIntermediateCerts; metadata:created_at 2023_02_10, updated_at 2023_06_26; sid:3300668; rev:2; classtype:trojan-activity;)

References

urlhttps://malpedia.caad.fkie.fraunhofer.de/details/win.qakbot
urlhttps://ccadb-public.secure.force.com/mozilla/PublicAllIntermediateCerts

Metadata

created at2023_02_10
updated at2023_06_26

Comments (0)

Please sign in to leave a comment.
Sign in

No comments yet. Be the first to comment!