Cobalt Stike Beacon Detected – 83[.]217[.]11[.]21:443

Cobalt Strike Beacon Detection Alerts

The Information provided at the time of posting was detected as “Cobalt Strike”. Depending on when you are viewing this article, it may no longer be the case and could be determined as being a false positive. Please do your own additional validation. – RedPacket Security

TimeStamp 2023-02-02T18:47:20.335604

Cobalt Strike
Cobalt Strike

General Information

2078202657
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host83[.]217[.]11[.]21
ISPPartner LLC
ORGLetHost LLC
OSN/A
HTTPN/A
HTTP HTML HASHN/A
HTTP LOCATION/
HTTP REDIRECTS
HTTP ROBOTSN/A
HTTP ROBOTS HASHN/A
HTTP SECURITY.TXTN/A
HTTP SECURITY.TXT HASHN/A
HTTP SERVERMicrosoft-IIS/10.0
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Helsinki
LOCATION (COUNTRY CODE)FI
LOCATION (COUNTRY NAME)Finland
LOCATION (LATITUDE)60.16952
LOCATION (LONGITUDE)24.93545
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)1da18a4789170ceca4290b0a20b071c441cf105e
SSL ISSUED20230118121134Z
SSL EXPIRES20240118121134Z
SSL CYPHERTLS_AES_256_GCM_SHA384
SSL VERSIONTLSv1.3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeN/A
http-get.client
http-post.client
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon JitterN/A
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI
HTTP POST URIN/A
Max GET SizeN/A
PortN/A
post-ex.spawnto_x64
post-ex.spawnto_x86
process-inject.startrwxN/A
process-inject.userwxN/A
process-inject.allocatorN/A
proxy.behaviorN/A
sleeptimeN/A
useragent_headerN/A
uses_cookiesN/A
process-inject.execute
WatermarkN/A
Beacon Stage CleanupN/A


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