Once a valid credential from a wordlist is found, "Parse" blocks in the config can automatically extract sensitive info like payment methods or activation codes. How Cybercriminals Abuse OpenBullet for Credential Stuffing
When setting up a Config in OpenBullet, the user defines "Slices." These slices tell the program which part of the wordlist line corresponds to which variable.
These are generated using tools like "Cupp" or "Crunch" based on specific patterns, or scraped from niche forums. These often yield higher success rates because they are less likely to be in global blacklists. Combo-Specific Lists: openbullet-wordlist
A raw text dump from a 2012 database breach (e.g., Yahoo or LinkedIn) is obsolete. Modern security uses MFA and password expiration. A fresh has a "hit rate" (valid logins per thousand attempts). Professional Red Team wordlists aim for a 2-5% hit rate. Criminal wordlists claim 10-15% (often inflated).
Notice the proxy type ( socks5 ). The wordlist tells OpenBullet exactly which gateway to use for that specific credential. This prevents "cross-contamination" where a valid login is attributed to the wrong IP address. Once a valid credential from a wordlist is
Not all wordlists are created equal. When scanning forums or darknet markets, you will find wordlists categorized by "quality." Here is what separates spam from gold.
Because every site requires a specific script (Config) to handle its login logic, a massive underground market exists for selling updated configs that work with specific wordlists. These often yield higher success rates because they
OpenBullet splits the line at the delimiter and assigns the data accordingly.
If you find an containing your corporate domain on GitHub or Telegram, do not download it. Treat it as evidence. Screenshot the source, record the file hash, and contact your local FBI/Cybercrime unit and your legal counsel.
For more in-depth technical analysis on how these tools are utilized in the wild, experts at Trend Micro Research provide comprehensive breakdowns of the credential stuffing landscape. How Cybercriminals Abuse OpenBullet for Credential Stuffing