TF-1932658
high
📛 Threat Title
Cobalt Strike: ip:port combination that is used for botnet Command&control (C&C) 139.196.50.117:8839
Description
Indicator that identifies a botnet command&control server (C&C). IOC type: ip:port combination that is used for botnet Command&control (C&C). Attributed malware: Cobalt Strike (aliases: Agentemis,BEACON,CobaltStrike,cobeacon). Confidence: 75. Observed port: 8839. First seen: 2026-09-25 03:47:07 UTC. Last seen: 2026-09-25 11:47:47 UTC. Reporter: abuse_ch. Tags: CobaltStrike, drb-ra.
Indicators of Compromise (1)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
ipv4
139.196.50.117
IOC database
- Type
- ipv4
- Value
139.196.50.117- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- ip:port combination that is used for botnet Command&control (C&C) attributed to Cobalt Strike
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
References (2)
- Malpedia profile ThreatFox IOCs
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ThreatFox IOC page
ThreatFox IOCs
Indicator that identifies a botnet command&control server (C&C). IOC type: ip:port combination that is used for botnet Command&control (C&C). Attributed malware: Cobalt Strike (aliases: Agentemis,BEACON,CobaltStrike,cobeacon). Confidence: 75. Observed port: 8839. First seen: 2026-09-25 03:47:07 UTC. Last seen: 2026-09-25 06:47:52 UTC. Reporter: abuse_ch. Tags: CobaltStrike, drb-ra.
Remediations (9)
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web:www.cecc.gov
CECC
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web:download.cobaltstrike.com
We would like to show you a description here but the site won't allow us.
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web:owasp.org
Summary Concurrent sessions are a common aspect of web applications that enable multiple simultaneous user interactions. This test case aims to evaluate the application's ability to handle multiple active sessions for a single user. This functionality is essential for effectively managing concurrent user sessions, particularly in sensitive areas such as admin panels containing Personally ...
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web:redblueteam.wordpress.com
We would like to show you a description here but the site won't allow us.
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web:www.cisa.gov
Home Page | CISA
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web:www.cisa.gov
The number of covert networks used by China-nexus cyber actors is large, with new networks regularly developed and deployed. The existing covert networks change too, either because of defensive or legal action, or simply as a result of software updates and new exploits being used to target different technologies for incorporation into the network.
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web:www.crowdstrike.com
We would like to show you a description here but the site won't allow us.
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web:www.efrag.org
52. To respond to a frequent implementation question new guidance has been introduced on how to consider the implemented remediation , mitigation and prevention policies and actions when assessing the materiality of an impact (so called "gross versus net" issue).
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web:www.gdatasoftware.com
The second stage loader communicates with the C&C server to get the RAT component, once again scripted with JScript. The RAT component has the capability to continue running until directed to stop, and execute additional commands received from the C&C server.
AI Forensic Analysis
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