Posts tagged: PROTO_ABUSE

18 posts
HIGH 81.30.98.144

Iranian-origin threat actor at 81.30.98.144 conducted sustained SMTP credential harvesting operations targeting mail infrastructure over 17-day period, generating 174,000+ malicious events with focus on authentication bypass. Campaign demonstrates persistent reconnaissance and credential capture cap…

HIGH 81.30.98.44

An IP address (81.30.98.44) has been observed engaging in credential capture attempts and SMTP probing activities over a period of 7 days, primarily targeting port 25/TCP. The activity is assessed as noise-level threat with no confirmed CVEs or zero-day exploits; however, network defenders should re…

HIGH 116.102.39.187

Malicious activity detected from 116.102.39.187 (VN, ASNone). 65038 events observed across Diameter, MySQL, SMB, TCP, TCP/SYN. AI verdict: MEDIUM.

HIGH 81.30.98.181

An IP address (81.30.98.181) from Iran has been observed conducting SMTP AUTH probes and credential capture attempts over a period of five days in May 2026. The activity is assessed as noise, but network defenders should review their SMTP configurations and implement additional authentication measur…

LOW 103.210.21.242

Malicious activity detected from 103.210.21.242 (HK, AS135377). 152 events observed across SSH, TCP, TCP/SYN. AI verdict: NOISE.

MEDIUM 83.168.69.197

Malicious activity detected from 83.168.69.197 (PL, AS202520). 12110 events observed across ADB, TCP. AI verdict: NOISE.

LOW 66.132.172.138

IP address 66.132.172.138 conducted extensive multi-protocol reconnaissance over 42 days (April 2-May 14, 2026), generating 667 security events targeting industrial control systems, Kubernetes infrastructure, and network services. Despite high-severity exploit signatures, this activity is assessed a…

LOW 175.118.127.138

Automated SSH brute force activity observed from IP 175.118.127.138 (Seoul, South Korea) targeting network infrastructure with root credential attacks over a 12-day period. Assessed as low-to-medium threat level opportunistic scanning with standard attack patterns. Recommend implementing SSH hardeni…

MEDIUM 46.46.228.195

A Norwegian IP address (46.46.228.195) conducted sustained Android Debug Bridge (ADB) reconnaissance against network infrastructure over a 4-day period, generating over 4,300 malicious events targeting TCP port 5555. This represents a MEDIUM severity threat focused on identifying exposed Android dev…

HIGH 45.205.1.27

High-severity threat activity detected from Brazilian cloud infrastructure (45.205.1.27) conducting systematic reconnaissance and exploitation attempts against multiple network services from April 2nd through April 29th, 2026. The source IP maintains a maximum malicious reputation score and demonstr…

MEDIUM 139.129.13.203

A single IP address from Chinese cloud infrastructure conducted sustained SSH protocol abuse targeting port 2200 over a 4-hour period on April 29, 2026, generating over 5,000 events. This activity represents common automated scanning behavior with low threat severity and no evidence of successful ex…

LOW 66.132.172.182

IP address 66.132.172.182 conducted an extensive 32-day scanning campaign from March 25 to April 26, 2026, targeting multiple protocols including industrial control systems, Kubernetes infrastructure, and enterprise services. Despite generating 490 security events across 8 destination ports, this ac…

HIGH 81.29.142.100

Russian-origin IP address 81.29.142.100 conducted a sustained multi-protocol reconnaissance campaign targeting industrial control systems, databases, and enterprise services over a 68-day period from February to April 2026. The attacker demonstrated particular focus on MQTT messaging systems and Ora…

MEDIUM 119.23.110.193

Malicious activity detected from 119.23.110.193 (CN, AS37963). 20371 events observed across SSH, TCP, TCP/SYN, TLS. AI verdict: NOISE.

LOW 160.119.76.24

Threat actor 160.119.76.24 conducted comprehensive reconnaissance against industrial control systems and enterprise services on April 24, 2026, targeting multiple ICS/SCADA protocols including Modbus, S7comm, DNP3, and EtherNet/IP alongside traditional IT services. Despite the broad protocol coverag…

LOW 90.151.171.108

External IP address 90.151.171.108 conducted sustained reconnaissance and CRLF injection attacks against web services from February 17 to April 16, 2026, generating 2,742 security events. The activity represents a MEDIUM threat level with moderate confidence, indicating potential preparation for web…