Tagged articles
3 articles
Page 1 of 1
ITPUB
ITPUB
Dec 4, 2020 · Information Security

Inside the gpg-agentd Malware that Hijacked an Alibaba Cloud Server

A detailed forensic walk‑through reveals how a disguised gpg-agentd binary compromised a CentOS server on Alibaba Cloud, using SSH key injection, malicious cron jobs, Redis abuse, and masscan scanning to spread and mine cryptocurrency.

Linux securitycron abusegpg-agentd
0 likes · 15 min read
Inside the gpg-agentd Malware that Hijacked an Alibaba Cloud Server
Liangxu Linux
Liangxu Linux
Dec 2, 2020 · Information Security

How a Hidden gpg-agentd Process Hijacked a CentOS Server and Spread via Redis and Masscan

A detailed forensic walkthrough reveals how a compromised CentOS server was hijacked via a disguised gpg-agentd process, leveraged cron jobs to download malicious scripts, abused Redis for persistence, and used masscan for rapid scanning, followed by practical security recommendations to harden servers and Redis instances.

Cron Jobsgpg-agentdmalware analysis
0 likes · 14 min read
How a Hidden gpg-agentd Process Hijacked a CentOS Server and Spread via Redis and Masscan
21CTO
21CTO
Jun 17, 2019 · Information Security

How a Hidden gpg-agentd Malware Hijacked SSH and Exploited Redis on a Cloud Server

A detailed forensic walk‑through reveals how a compromised Alibaba Cloud server was seized via a weak root password, a disguised gpg-agentd binary, malicious cron jobs, and Redis configuration abuse, ultimately enabling password‑less SSH access and large‑scale network scanning for cryptocurrency mining.

cloud securityincident responsemalware analysis
0 likes · 13 min read
How a Hidden gpg-agentd Malware Hijacked SSH and Exploited Redis on a Cloud Server