* [Cobalt Strike](https://www.redpacketsecurity.com/category/cobalt-strike/)Cobalt Strike Beacon Detected — 39-[.-]98-[.-]40-[.-]53:8888=============================================================[January 19, 2025](https://www.redpacketsecurity.com/2025/01/) 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 2025-01-19T08:51:20.230370  Cobalt Strike**General Information**———————–**Cloud Provider** **Cloud Region** **Service** **Domains** N/A **Hostnames** N/A **HTTP Host** 39-[.-]98-[.-]40-[.-]53 **ISP** Hangzhou Alibaba Advertising Co.,Ltd. **ORG** Aliyun Computing Co., LTD **OS** N/A **HTTP** N/A **HTTP HTML HASH** N/A **HTTP LOCATION** / **HTTP REDIRECTS** **HTTP ROBOTS** N/A **HTTP ROBOTS HASH** N/A **HTTP SECURITY.TXT** N/A **HTTP SECURITY.TXT HASH** N/A **HTTP SERVER** N/A **HTTP SITEMAP** N/A **HTTP SITEMAP HASH** N/A **HTTP TITLE** N/A **LOCATION (AREA CODE)** N/A **LOCATION (CITY)** Zhangjiakou **LOCATION (COUNTRY CODE)** CN **LOCATION (COUNTRY NAME)** China **LOCATION (LATITUDE)** 40.78341 **LOCATION (LONGITUDE)** 114.87139 **LOCATION (POSTAL CODE)** N/A **SSL SERIAL** **SSL EXPIRED** **SSL FINGERPRINT (SHA1)** **SSL ISSUED** **SSL EXPIRES** **SSL CYPHER** **SSL VERSION** **SSL TRUST (REVOKED)** **TAGS****Cobalt Strike Beacon Information**————————————**Beacon Type** N/A **http-get.client** Cookie **http-post.client** Content-Type: application/octet-stream, id **DNS Beacon MaxDNS** N/A **DNS Beacon Idle** N/A **Beacon Jitter** N/A **dns-beacon.strategy_fail_seconds** N/A **dns-beacon.strategy_rotate_seconds** N/A **dns-beacon.strategy_fail_x** N/A **HTTP GET URI** 39-[.-]98-[.-]40-[.-]53,/cx **HTTP POST URI** N/A **Max GET Size** N/A **Port** N/A **post-ex.spawnto_x64** %windir%–sysnative–rundll32-[.-]exe **post-ex.spawnto_x86** %windir%–syswow64–rundll32-[.-]exe **process-inject.startrwx** N/A **process-inject.userwx** N/A **process-inject.allocator** N/A **proxy.behavior** N/A **sleeptime** N/A **useragent_header** N/A **uses_cookies** N/A **process-inject.execute** CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread **Watermark** N/A **Beacon Stage Cleanup** N/A
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Related Tags:
NAICS: 925 – Administration Of Housing Programs
Urban Planning
Community Development
NAICS: 92 – Public Administration
NAICS: 924 – Administration Of Environmental Quality Programs
Cobalt Strike
System Information Discovery
Application Layer Protocol: Web Protocols
Application Layer Protocol
Associated Indicators:
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